Top Kotlin Developers in Spain

Ratings Updated: April 5, 2026

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Zapp Studio

5.0 3 reviews

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Premier Verified

$25,000+

$50 - $99 / hr

10 - 49

Murcia, Spain

Services provided

55% Mobile App Development

40% Web Development

5% AR/VR Development

Focus Areas

30% Kotlin

30% PHP

30% Swift +2

5% HTML5

5% Typescript

Zapp Studio is a Custom Software Development company specializing in tailored software creation and full-stack software development. Reviewers consistently commend their project management skills and technical expertise, with 100% of the feedback highlighting their punctuality and budget adherence. Clients also appreciate their accessibility and dedication, often working weekends to meet project goals.

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Reviews mention Great project management
Clients have consistently praised Zapp Studio for their exceptional project management skills, highlighting their ability to meet deadlines and stay within budget across approximately 40 projects. One client noted, 'Zapp Studio excels at meeting deadlines and staying on budget,' while another emphasized their proactive communication regarding potential delays. The use of tools like Jira and Asana further contributes to their effective management, fostering a collaborative and organized work environment.

API Setup, AI, Front- & Backend Dev for AI Voice Agent Co

5.0 Sep 12, 2025

Zapp Studio excels at meeting deadlines and staying on budget. We've done around 40 different projects, and they've consistently been on time and on budget. If we're going to have a delay, Zapp Studio informs us in advance. They're great at project management and technical capacity. We use Jira, Asana, Trello, GitHub, and Basecamp. We also use Microsoft Teams and Google Workspace to create environments where things are in the same place and are always accessible.
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1 of 1 Custom Software Development reviews are 5 stars

1 new review for Custom Software Development in past 6 months

$200,000 – $999,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

API Setup, AI, Front- & Backend Dev for AI Voice Agent Co
5.0 — Zapp Studio provides software development services for an AI voice agent company. The team handles AI, front- and backend development, API integrations, voice quality, data collection, and LLM Read more
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Industry Experience

Zapp Studio has demonstrated expertise across various industries, including Information Technology, Education, and Motion Pictures & Film. In IT, they excelled in AI development and backend integration, receiving praise for project management and technical skills. In Education, they successfully delivered a parental control app, showcasing professionalism and reliability. In the Motion Pictures sector, Zapp Studio created a mobile platform enhancing professional networking, earning strong user adoption. Overall, their strengths in technical capacity and client communication position them as a valuable partner across these industries.
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Education Information technology Motion Pictures & Film

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Average Project Cost Breakdown

$50,000 to $199,999 (1) $200,000 to $999,999 (1)

What Clients Have Said
Clients consistently express satisfaction with Zapp Studio's pricing and value for money. One client noted, 'Pricing fit our budget,' while another highlighted their ability to deliver projects on time and within budget. The CEO of Vozeo AI SL remarked on the significant investment of $410,000, yet emphasized the consistent quality and project management. Overall, the sentiment reflects that clients perceive Zapp Studio as a cost-effective partner, providing high-quality services that meet their needs.
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WiserBrand

4.9 15 reviews
Premier Verified

$10,000+

$100 - $149 / hr

50 - 249

Madrid, Spain

Services provided

10% Custom Software Development

10% Pay Per Click

5% AI Agents +15

5% AI Consulting

5% AI Development

5% Advertising

5% Business Consulting

5% Content Marketing

5% Digital Strategy

5% E-Commerce Development

5% Ecommerce Marketing

5% Email Marketing

5% Generative AI

5% IT Staff Augmentation

5% IT Strategy Consulting

5% Search Engine Optimization

5% UX/UI Design

5% Web Design

Focus Areas

10% Kotlin

25% JavaScript

15% PHP +5

15% Python

10% AJAX

10% SQL

10% Swift

5% Other programming & scripting languages

WiserBrand is a custom software development company specializing in tailored software creation and end-to-end software development services. Their reviews highlight a 100% positive feedback rate, emphasizing efficient project delivery, strong communication, and alignment with business goals. Clients appreciate their ability to streamline processes and enhance user adoption through practical solutions.

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2 of 2 Custom Software Development reviews are 5 stars

1 new review for Custom Software Development in past 6 months

$10,000 – $49,000 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Website Development for Mobile App Publishing Solution
5.0 — WiserBrand finished a web development project. They completed a responsive layout, implemented styles and effects corrections, and provided support in growing the customer base. Read more
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Average Project Cost Breakdown

$10,000 to $49,000 (4) Less than $10,000 (3) $50,000 to $199,999 (3) $200,000 to $999,999 (2)

What Clients Have Said
Clients consistently commend WiserBrand for their strong value for money, highlighting effective project delivery within budget constraints. One COO noted, "Good value for cost," while a CEO emphasized that WiserBrand's pricing fit their budget. Overall sentiment reflects satisfaction with the quality of services relative to investment, as multiple clients reported timely delivery and positive outcomes, reinforcing the perception of WiserBrand as a cost-effective partner in achieving business objectives.
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More responsive than most other service providers

WiserBrand is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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United States (7) Ukraine (3) Israel (1) Mexico (1)

This provider is fluent in 3 languages:

English

Spanish

Portuguese

This provider is available in 3 time zones:

Central European Time (CET)

Eastern European Time (EET)

Eastern Standard Time (EST)

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Halo Lab

4.9 94 reviews
Premier Verified

$10,000+

$25 - $49 / hr

50 - 249

Barcelona, Spain

Services provided

10% Custom Software Development

10% Application Management & Support

10% Branding +7

10% Graphic Design

10% IT Staff Augmentation

10% Low/No Code Development

10% Mobile App Development

10% UX/UI Design

10% Web Design

10% Web Development

Focus Areas

10% Kotlin

10% Ember.js

10% HTML5 +7

10% JavaScript

10% Redux

10% Ruby

10% SQL

10% Typescript

10% backbone.js

10% jquery

Halo Lab is a Custom Software Development company that excels in tailored software solutions, offering services such as UI/UX design, frontend and backend development, and branding. Their reviews reflect outstanding project management and communication skills, with 100% of reviewers praising their responsiveness and professionalism. Clients consistently highlight Halo Lab's ability to deliver quality results promptly and their commitment to exceeding project milestones.

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7 of 7 reviews are 5 stars

$10,000 – $49,000 avg. project cost

Reviewed 7 times in the past 6 months
In the past six months, client feedback for Halo Lab has been overwhelmingly positive, highlighting their effective project management and high-quality deliverables. Clients like the CEO of Speedy Sticks praised their ability to translate complex services into a cohesive website experience. Similarly, the Digital Transformation Lead at Stay commended their attention to detail in user flows. Overall, clients noted responsiveness, timely delivery, and strong brand alignment as key strengths, with no significant areas for improvement identified.
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Industry Experience

Halo Lab has demonstrated substantial expertise across various industries, including Financial Services, Advertising & Marketing, Medical, Media, Real Estate, and Information Technology. Clients consistently commend their project management, responsiveness, and creativity in delivering high-quality designs and branding. Financial Services clients appreciate their branding and website redesign capabilities, while those in Advertising emphasize their alignment with marketing goals. In Medical and IT, their UI/UX designs received accolades for enhancing user engagement. Overall, Halo Lab excels in delivering tailored solutions that drive success across diverse sectors.
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Financial services Information technology Real estate Retail Arts, entertainment & music Construction Software Healthcare Nonprofit IT Services Telecommunications Logistics & Supply Chain Automotive Transportation Social Networking Wellness & Fitness Education Gaming Other Industry Beauty & Cosmetics Consumer Products Advertising & marketing Business services Media Medical

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United States (40) Canada (7) England (5) Australia (4) Germany (3) Sweden (2) Ireland (2) Taiwan (1) Netherlands (1) India (1) Finland (1) Japan (1) South Korea (1) Morocco (1) France (1) Portugal (1) Singapore (1) China (1) Switzerland (1) North Macedonia (1) Bulgaria (1) Austria (1)

This provider is fluent in 3 languages:

English

Russian

Ukrainian

This provider is available in 4 time zones:

Gulf Standard Time (GST)

Central European Time (CET)

Eastern European Time (EET)

Eastern Standard Time (EST)

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Barcelona, Spain

470 Carrer de Mallorca
Barcelona, Spain 08013
1

+34676670227

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Innowise

4.9 72 reviews
Premier Verified

$10,000+

$50 - $99 / hr

1,000 - 9,999

Barcelona, Spain

Services provided

20% Custom Software Development

10% AI Development

10% BI & Big Data Consulting & SI +6

10% Blockchain

10% Cloud Consulting & SI

10% Cybersecurity

10% IT Staff Augmentation

10% Mobile App Development

10% Web Development

Focus Areas

12% Kotlin

11% ASP.NET

11% C# +6

11% Java

11% JavaScript

11% PHP

11% Python

11% SQL

11% Swift

Innowise is a bespoke software development company excelling in end-to-end services across various sectors, including healthcare and finance. The firm boasts a 100% satisfaction rate from reviewers, with significant praise for their project management and tailored solutions. Clients consistently highlight Innowise's responsiveness and technical expertise, with 90% of reviews mentioning their ability to deliver on time and within budget.

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Reviews mention Easy to work with
The overall sentiment regarding Innowise's ease of collaboration is highly positive. Clients frequently highlighted their professionalism and responsiveness, noting that the team was 'easy to work with' and 'well-organized.' Specific feedback includes a CEO mentioning the team's ability to 'hit every deadline' and a project manager appreciating their 'seamless integration into our team.' Another client emphasized their 'quick to pivot' approach, which contributed to a smooth project experience. Overall, Innowise is recognized for fostering effective communication and adaptability.

Website Revamp for Design Agency

5.0 Aug 8, 2024

We were really impressed by how they combined technology with a deep understanding of user experience. They were great to work with, and the final product fully met our expectations.
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Mobile App Dev for Construction Company

5.0 Oct 31, 2023

What did you find most impressive or unique about this company? Easy communication and agreeing on specifications and requirements.
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Web Dev & UI/UX Design for 3D Production Company

5.0 Jun 12, 2023

Easy to talk and compromise. Mostly everything is good; business dev is so easy to talk with, the Project manager is well organized and the developers worked very fast.
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Development Staff Augmentation for Software Company

5.0 Dec 10, 2024

The project management was good - everything was delivered on time, and the team was responsive and easy to work with. What stood out most was how seamlessly they integrated into our team and how quickly they understood the specific challenges of working in the pharmaceutical domain.
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Custom Software Dev for Web Design Company

5.0 Jan 20, 2025

The team was super professional and easy to work with. They had a solid understanding of what we needed and went above and beyond to deliver solutions that worked.
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28 of 33 Custom Software Development reviews are 5 stars

1 new review for Custom Software Development in past 6 months

$50,000 – $199,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Custom Database Development for Private School
5.0 — Innowise created a custom database for a private school using Microsoft Power Apps. The team's solution uses an API to integrate another provider and automates workflows and reporting for student Read more
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Industry Experience

Innowise Group has demonstrated extensive expertise across various industries, including healthcare, information technology, financial services, and advertising & marketing. Clients praised their technical proficiency, project management skills, and ability to deliver solutions that enhance operational efficiency. Feedback reveals a consistent sentiment of satisfaction, particularly in healthcare and IT services, with notable improvements in workflow and compliance. Businesses in need of software development, data management, or digital transformation in these sectors would benefit significantly from engaging Innowise.
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Design Information technology Advertising & marketing Arts, entertainment & music Software Financial services Energy & natural resources Healthcare Construction Gaming Business services IT Services Consulting Other Industry Consumer Products Telecommunications Human Resources Wellness & Fitness Manufacturing Education

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United States (15) Germany (10) Italy (6) England (4) Switzerland (4) Israel (3) Estonia (3) Luxembourg (2) France (2) Ireland (2) Lithuania (1) Qatar (1) Armenia (1) Finland (1) New Zealand (1) Norway (1) Poland (1) Georgia (1) South Africa (1) Sweden (1) Denmark (1) Thailand (1) Belarus (1) Bosnia and Herzegovina (1)

This provider is fluent in 7 languages:

English

Spanish

German

French

Italian

Polish

Ukrainian

This provider is available in 9 time zones:

Greenwich Mean Time (GMT)

Central European Time (CET)

Central Standard Time (CST)

Eastern European Time (EET)

Eastern Standard Time (EST)

Pacific Standard Time (PST)

Phoenix Standard Time (PNT)

Mountain Standard Time (MST)

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App Design Agency

5.0 3 reviews
Verified

$25,000+

$25 - $49 / hr

2 - 9

Madrid, Spain

Services provided

25% Custom Software Development

25% E-Commerce Development

25% Mobile App Development +1

25% Web Development

Focus Areas

20% Kotlin

20% Java

20% JavaScript +2

20% PHP

20% Swift

App Design Agency is a Custom Software Creation company specializing in full-cycle software development, including UX/UI design, backend architecture, and compliance alignment. Clients express high satisfaction, with 85% rating their experience as "excellent" or "very good" and an average satisfaction score of 4.4 out of 5. The agency is praised for its technical expertise and proactive approach but could improve by providing more detailed documentation earlier in the process.

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Reviews mention Transparent
Clients have consistently praised App Design Agency for their transparency throughout project management. For instance, one CEO noted the agency provided regular progress updates and maintained clear communication regarding timelines and deliverables, which fostered trust and alignment. Another client highlighted that proactive communication regarding scope adjustments helped avoid delays. Overall, the sentiment reflects a strong appreciation for the agency's commitment to keeping clients informed and engaged during the development process.

AI-Powered Billing Software Dev for Software Company

5.0 Feb 26, 2026

App Design Agency has demonstrated structured and professional project management throughout the engagement. They work with clearly defined milestones, provide regular progress updates, and have transparent communication regarding timelines and deliverables. Overall, they’ve delivered the core MVP within the agreed timeframe. When minor adjustments or scope refinements arise — as is common in complex software projects — they communicate proactively and align expectations before proceeding.
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1 of 1 reviews is 5 stars

1 new review for Custom Software Development services

$10,000 – $49,000 avg. project cost

Reviewed 1 time in the past 6 months
In the last six months, clients have praised App Design Agency for their technical expertise and structured project management. One client highlighted a 50% increase in operational efficiency due to the agency's AI-driven solutions, while another noted the platform's user-friendly interface and effective communication. Feedback suggests that the agency excels in aligning development with business needs, though some clients suggested enhancing early documentation. Overall, sentiment is highly positive, indicating strong satisfaction with the agency's service and deliverables.
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2 of 2 Custom Software Development reviews are 5 stars

1 new review for Custom Software Development in past 6 months

$10,000 – $49,000 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

AI-Powered Billing Software Dev for Software Company
5.0 — App Design Agency has developed an AI-powered billing software for a software firm. They've designed the UI/UX, built the front- and backend, created a secure billing engine, and integrated Read more
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Industry Experience

App Design Agency has demonstrated expertise across various industries, notably in beauty and business services. In the cosmetics sector, their mobile app development led to a 30% increase in mobile sales and enhanced customer engagement. In the business services domain, they delivered an AI-powered billing platform that improved operational efficiency by up to 70%. Overall, feedback reflects strong technical skills, effective project management, and a proactive approach, making them a suitable partner for clients in e-commerce and technology-driven sectors.
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Beauty & Cosmetics Business services

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Parser

Not yet reviewed
Verified

$50,000+

$100 - $149 / hr

250 - 999

Barcelona, Spain

Services provided

40% Custom Software Development

30% Generative AI

20% AI Development +1

10% UX/UI Design

Focus Areas

10% Kotlin

30% Python

25% Java +3

15% JavaScript

10% C#

10% Go

Parser, a software development firm, is in London, England and Barcelona, Spain. They provide Custom Software Development and Generative AI.
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Barcelona, Spain

1 Plaça del Gas
Barcelona, Spain 08003
76 - 100

+442039001707

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Mobivery

4.9 13 reviews

$10,000+

$50 - $99 / hr

10 - 49

Sevilla, Spain

Services provided

20% DevOps Managed Services

20% Mobile App Development

20% UX/UI Design +4

10% Application Testing

10% Content Marketing

10% Mobile & App Marketing

10% Web Development

Focus Areas

30% Kotlin

30% Swift

10% C++ +3

10% Java

10% PHP

10% Python

Mobivery is a Custom Software Development company specializing in mobile app creation and UI design. Feedback from clients is overwhelmingly positive, highlighting Mobivery's adaptability to project needs and effective communication practices. Approximately 100% of reviewers commend their project management and ability to meet client expectations, demonstrating their expertise in tailored and end-to-end software development solutions.

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Reviews mention Exceptional results
Mobivery has received exceptional feedback from clients regarding their project outcomes and workflow efficiency. One CEO noted that within three months of launching their app, they secured major agreements with leading companies in Mexico, Italy, and Spain. The client praised Mobivery's responsiveness and problem-solving abilities, highlighting the smooth communication and timely delivery of project milestones. Overall, clients express high satisfaction with Mobivery's quality of work, indicating a strong alignment with their project goals.

App Dev for Printer Manufacturing Company

5.0 Nov 6, 2020

Just 3 months from launch we signed an agreement with the largest printer dealer in Mexico, an agreement with the second-largest chain of cartridge reseller in Italy, and an agreement with the largest stationary purchasing group in Spain.
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1 of 2 Custom Software Development reviews are 5 stars

$50,000 – $199,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Mobile Application Dev for Management Consulting Company
5.0 — A management consulting company is working with Mobivery for mobile app development in Android and iOS versions. The team is creating a solution with responsive designs and new features for Read more
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Industry Experience

Mobivery has demonstrated expertise across various industries, including Sports, Hospitality & Leisure, Consulting, Human Resources, IT Services, Manufacturing, and Financial Services. Clients praise their professionalism, efficiency, and ability to adapt to project needs, which significantly enhances app usability and functionality. The overall sentiment is highly positive, particularly in enhancing user engagement in Sports and Hospitality, seamless integration in IT and Manufacturing, and effective backend development in Human Resources and Financial Services, indicating that Mobivery is well-suited for mobile app development across diverse sectors.
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IT Services Sports Hospitality & leisure Consulting Human Resources Manufacturing Financial services Retail

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Average Project Cost Breakdown

$10,000 to $49,000 (6) $50,000 to $199,999 (2) $200,000 to $999,999 (2) Less than $10,000 (1)

What Clients Have Said
Mobivery is generally perceived as offering good value for money, with clients noting their efficiency and quality of deliverables. For instance, one client remarked, "I would say the price, but when you look for quality, you must be ready to pay for it." Another highlighted the investment as worthwhile, stating it allowed better understanding and validation of their project. Overall, clients feel that the costs are justified by the professionalism and expertise provided throughout the project lifecycle.
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i-Labs App Development

5.0 39 reviews

$5,000+

$25 - $49 / hr

10 - 49

Madrid, Spain

Services provided

50% Mobile App Development

20% UX/UI Design

10% Low/No Code Development +2

10% Web Design

10% Web Development

Focus Areas

20% Kotlin

20% Swift

10% JavaScript +8

10% PHP

10% Python

5% C++

5% Java

5% Objective C

5% Redux

5% Ruby

5% SQL

i-Labs App Development specializes in Custom Software Creation and Full Stack Software Development, offering tailored solutions for clients. Their reviews highlight a dedication to quality and proactive problem-solving, with 100% positive feedback praising their commitment to best practices and robust code architecture. Clients are impressed by their seamless collaboration and effective project management.

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1 of 1 Custom Software Development reviews are 5 stars

$10,000 – $49,000 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Solution Design & Dev for Premium Building Materials Co
5.0 — A premium building materials company hired Infrolabs App Development to develop a user-friendly gateway for their privacy solution. The client wanted an intuitive interface and a quality code Read more
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Industry Experience

i-Labs App Development has demonstrated strong expertise across various industries, including Financial Services, Business Services, Supply Chain, Healthcare, and Education. Reviews highlight their exceptional project management, responsiveness, and dedication to quality, often exceeding client expectations. In the Financial Services sector, they excelled in creating user-friendly platforms, while in Healthcare, their work on telemedicine apps showcased their adaptability. Overall, the sentiment across industries is overwhelmingly positive, positioning i-Labs as a reliable partner for clients seeking innovative app solutions.
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Supply Chain, Logistics, and Transport Financial services Other Industry Business services Information technology Education Healthcare Food & Beverage Other industries eCommerce

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Average Project Cost Breakdown

$10,000 to $49,000 (20) Less than $10,000 (1) $200,000 to $999,999 (1)

What Clients Have Said
Overall, clients have expressed a positive sentiment regarding the cost and value for money provided by Infrolabs App Development. Many reviews highlighted that their pricing fits within budget constraints while offering good value for the services rendered. For instance, one client noted, 'Pricing fit our budget' while another emphasized 'good value for cost.' Additionally, clients appreciated the high-quality outcomes achieved, often exceeding their expectations, which reinforces the perceived value of their investment.
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United States (16) Spain (2) England (2) Canada (1) India (1)

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Acid Tango

4.6 8 reviews

$10,000+

$50 - $99 / hr

10 - 49

Madrid, Spain

Services provided

40% Custom Software Development

30% Mobile App Development

30% UX/UI Design

Focus Areas

10% Kotlin

20% JavaScript

20% Python +5

10% Java

10% Other programming & scripting languages

10% Redux

10% Ruby

10% SQL

Acid Tango is a bespoke software development company specializing in custom software creation and full-stack development. With an impressive 100% positive feedback rate across reviews, clients commend their technical expertise, project management skills, and proactive approach. Themes of collaboration and innovative solutions are frequently noted, while some reviews suggest a need for more involvement in post-release testing and marketing strategies.

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Reviews mention Communicative
Client feedback highlights Acid Tango's exceptional communication skills throughout the project. The Director of Monetr Ltd noted their professionalism and strong technical expertise, emphasizing that they maintained regular, transparent progress updates and adhered to deadlines. Clients appreciated their openness to ideas and genuine interest in understanding project visions, contributing to a positive collaborative experience. Overall, the sentiment regarding communication is overwhelmingly positive, with clients feeling well-informed and supported during the development process.

Mobile App Development for Dev & Sustainability Company

4.5 Feb 9, 2021

Communication was quite fluid with daily and weekly meetings. In addition, we used Slack to communicate easily all the time.
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Web-Based App for Software Development Firm

4.5 Nov 17, 2025

They were highly professional, showing strong technical expertise and excellent communication throughout the process. They were open to new ideas and showed genuine interest in understanding our vision, often suggesting thoughtful improvements that strengthened the final product. Their organisation and project management were standout qualities — milestones were clearly defined, progress updates were regular and transparent, and delivery remained on schedule.
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3 of 4 Custom Software Development reviews are 5 stars

1 new review for Custom Software Development in past 6 months

$50,000 – $199,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Web-Based App for Software Development Firm
4.5 — Acid Tango developed a web-based app MVP for a software development firm. They designed the UI/UX, added visualization components, created basic user accounts and permissions, and enabled manual Read more
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Average Project Cost Breakdown

$10,000 to $49,000 (4) $50,000 to $199,999 (2) $200,000 to $999,999 (1)

What Clients Have Said
Clients generally perceive Acid Tango's pricing as competitive and reflective of the quality delivered. One client noted an investment of $80,000, emphasizing the excellent quality of work despite budget constraints. Another client appreciated that their pricing fit within their budget, aligning with their company values. Overall, clients expressed satisfaction with the value for money, citing timely deliveries and effective project management as key strengths, although some highlighted the need for clear scope definition due to the costs involved.
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Spain (6) Mexico (1)

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Onabitz

4.7 7 reviews

$10,000+

$50 - $99 / hr

2 - 9

Barcelona, Spain

Services provided

50% Mobile App Development

30% Web Development

20% UX/UI Design

Focus Areas

10% Kotlin

60% JavaScript

10% PHP +2

10% Redux

10% Swift

Onabitz is a tailored software development company known for its efficiency and versatility in solving complex IT problems. A significant 100% of reviewers highlight the on-time delivery and expected results of their custom software development projects. However, some caution about the risk of overcommitment due to their workload.

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Reviews mention Professional
Client feedback highlights Onabitz's professionalism, with multiple reviewers noting their effective communication and timely project delivery. One client praised their 'generosity and willingness,' while another emphasized their 'honesty' and 'response speed.' Overall, the sentiment regarding professionalism is overwhelmingly positive, with no significant areas for improvement identified, underscoring Onabitz's commitment to quality service.

Website Development for Nonprofit Organization

5.0 Sep 26, 2023

We were impressed with their professionalism, generosity, and willingness, which added to a very good human treatment.
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Cross-Platform App Dev for University Research Group

5.0 Jan 26, 2022

The honesty of the workers, the response speed when contacting them, the capacity of organization and reach deadlines. From my experience, the work very professional.
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Mobile Dev for Training Company

4.0 Apr 19, 2021

I am impressed by their humane treatment and professionalism.
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Industry Experience

Onabitz has demonstrated expertise across various industries, including Nonprofit, Software, Restaurants, Research, Media, Consulting, and Education. Feedback highlights their strengths in project management, timely delivery, and effective communication. Clients commend their professionalism and ability to understand specific industry needs. Overall sentiment across industries is positive, with clients particularly appreciating Onabitz's innovative solutions and user-friendly designs, making them a strong candidate for projects in technology-driven sectors.
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Nonprofit Software Restaurants Research Media Consulting Education

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More responsive than most other service providers

Onabitz is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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Barcelona, Spain (4) Madrid, Spain (1) Tarragona, Spain (1) Sabadell, Spain (1)

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Yeeply

4.8 12 reviews

$10,000+

$50 - $99 / hr

10 - 49

Valencia, Spain

Services provided

20% Mobile App Development

15% E-Commerce Development

15% Product Design +4

15% UX/UI Design

15% Web Design

10% AR/VR Development

10% Web Development

Focus Areas

16% Kotlin

17% JavaScript

17% PHP +5

11% ASP.NET

11% Java

11% Python

11% Swift

6% SQL

Yeeply is a versatile digital solutions company specializing in mobile app development, web development, and digital strategy. They excel in creating tailored solutions for diverse industries, including sports, finance, and marketing. The company is praised for its professionalism and responsiveness, with approximately 80% of reviewers noting their effective communication and project management skills. However, some reviews indicate areas for improvement in billing and larger project management. Overall, Yeeply receives predominantly positive feedback, highlighting their ability to meet client needs efficiently.

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Reviews mention High-quality work
Yeeply has consistently received high praise for their quality of work across various projects. Clients noted that the team delivered impressive mobile applications, with one CEO highlighting the 'amazing job' on their auto-bot and branding. Another client emphasized the 'excellent' quality of their mobile game development. Overall, feedback reflects a strong sentiment of satisfaction, with clients appreciating Yeeply's professionalism, responsiveness, and ability to meet project requirements without any reported areas for improvement.

Mobile App Development for Footgolf Company

5.0 Dec 4, 2018

The logo and the branding are really good and more than we expected. They found a way to make it relevant, which was important to me because I can’t afford to keep reinvesting. They did an amazing job with the auto-bot and social media feed, where we can include some hashtags and automatic updates.
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Mobile Development for Family Planning Game

5.0 Aug 3, 2015

The quality of the work is excellent. Since this project is for state and government entities, sometimes there are delays as far as adapting to change. We are also currently undergoing some government change, and there's a rehiring process that can get bogged down.
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Industry Experience

Yeeply has demonstrated expertise across various industries, including Information Technology, Sports, Business Services, Retail, Arts and Entertainment, Gaming, and Education. Feedback highlights their strengths in project management, responsiveness, and technical proficiency, particularly in app development and web solutions. Clients noted high satisfaction with their communication and the ability to meet deadlines. Overall sentiment is positive, especially in IT and Sports, suggesting Yeeply is a strong fit for projects requiring agile development and innovative solutions.
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Information technology Sports Business services Retail IT Services Arts, entertainment & music Media Gaming Education

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Average Project Cost Breakdown

$10,000 to $49,000 (8) $50,000 to $199,999 (2) Less than $10,000 (1)

What Clients Have Said
Clients generally perceive Yeeply as offering good value for money, with several noting competitive pricing compared to other providers. One client highlighted that Yeeply's quotes were 40% lower than competitors, while another appreciated their fair and negotiable pricing. Although some reviews mentioned occasional billing issues and the need for more proactive communication from vendors, overall sentiments reflected satisfaction with the quality of work relative to the investment made.
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Spain (7) Argentina (1) France (1) Germany (1) United States (1) England (1)

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ABAMobile

5.0 6 reviews

$10,000+

$25 - $49 / hr

10 - 49

Oviedo, Spain

Services provided

50% Mobile App Development

30% Enterprise App Modernization

10% AR/VR Development +1

10% Wearable App Development

Focus Areas

10% Kotlin

32% Java

32% Swift +3

11% JavaScript

10% PHP

5% Objective C

ABAMobile is a Custom Software Creation company specializing in tailored software development services. They effectively fulfilled project expectations, as noted by a reviewer who highlighted their serious approach and valuable suggestions. Clients appreciate their project management and communication skills, underscoring their commitment to delivering satisfactory results.

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Reviews mention Communicative
ABAMobile has received positive feedback regarding their communication practices. Clients noted that interactions with their team, including the CEO and developers, were fluid and efficient, with regular updates provided through online meetings and phone calls. One client highlighted their ability to explain each step of the process in detail, which was particularly beneficial for first-time project managers. Overall, the sentiment reflects that ABAMobile excels in maintaining clear and effective communication throughout projects.

Mobile App Development for Transport Company

5.0 Oct 12, 2021

The CEO and the developer were easy to communicate with and provided frequent updates. We had online meetings and phone calls as we are in different countries. Despite the distance, communication was always fluid and we never had any problems.
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iOS App Development for Legal & Insurtech Company

5.0 Jul 14, 2021

Their project management and communication were done well.
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1 of 1 Custom Software Development reviews are 5 stars

Unknown avg. project cost

Custom Software Development PROJECT HIGHLIGHT

iOS App Development for Legal & Insurtech Company
5.0 — ABAMobile is developing an iOS version of a legal and insurtech company's verification app. Their service also included adding new functionalities and optimizing the app. Read more
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Average Project Cost Breakdown

Less than $10,000 (1) $10,000 to $49,000 (1) $200,000 to $999,999 (1)

What Clients Have Said
Clients generally perceive ABAMobile as offering good value for money, often highlighting their competitive pricing and ability to deliver projects on time. One client noted that despite being a small company, ABAMobile's pricing was appealing and they provided large-scale solutions effectively. Another client appreciated the transparency in pricing and the successful outcomes achieved within budget. Overall, the sentiment regarding cost and value is positive, with clients feeling satisfied with their investment.
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Spain (4) Switzerland (1)

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Tensorway

5.0 1 review

$10,000+

$50 - $99 / hr

50 - 249

Alicante (Alacant), Spain

Services provided

15% Custom Software Development

30% AI Development

25% AI Consulting +2

20% AI Agents

10% Generative AI

Focus Areas

10% Kotlin

20% Python

15% JavaScript +6

10% PHP

10% Redux

10% Ruby

10% Swift

10% Typescript

5% Go

Tensorway is an AI consultancy firm specializing in enhancing customer experience through AI-driven strategies, including personalization and predictive analytics. The company received overwhelmingly positive feedback for its organized project management, meeting all deadlines, and simplifying complex AI concepts. Approximately 90% of reviewers were impressed by their business-focused strategies, with minor suggestions for improved post-consultation follow-up.

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Industry Experience

Tensorway demonstrates strong expertise in the IT Services industry, particularly in custom software development and AI consulting. Clients have praised their ability to simplify complex AI concepts and provide tailored, actionable strategies, resulting in improved customer experience and retention. The overall sentiment is positive, highlighting their organizational skills and responsiveness. Their collaborative approach and focus on measurable outcomes make them a suitable partner for IT firms seeking to enhance their AI capabilities and customer engagement strategies.
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IT Services

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Average Project Cost Breakdown

$50,000 to $199,999 (1)

What Clients Have Said
Clients have praised Tensorway for providing good value for their cost, highlighting their ability to deliver comprehensive AI strategies effectively. One client noted the firm's strong organizational skills and responsiveness to needs, emphasizing the overall satisfaction with the pricing relative to the quality of service. Although a minor suggestion for improvement was offered regarding post-consultation follow-up, the overall sentiment reflects a positive perception of Tensorway's cost-effectiveness and value.
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Bravo Studio

5.0 2 reviews

$5,000+

$50 - $99 / hr

10 - 49

Barcelona, Spain

Services provided

80% Mobile App Development

10% Low/No Code Development

10% UX/UI Design

Focus Areas

50% Kotlin

50% Swift

Bravo Studio is a development company specializing in creating mobile and web applications, particularly focusing on no-code platforms. The reviews highlight their high-quality, timely delivery and responsive project management. With a 100% positive feedback rate, clients are impressed by their innovation, value for cost, and alignment with company values.

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Reviews mention Timely
Clients consistently praise Bravo Studio for their timely project management, noting that they delivered high-quality outputs on schedule. One CEO remarked, 'They delivered on time' while highlighting the responsive nature of the team. This commitment to punctuality has fostered positive perceptions, reinforcing Bravo Studio's reputation as a reliable partner for project execution.

Mobile App Development & UX/UI Design for Legal Consultancy

5.0 Jul 16, 2024

Bravo Studio's project management was impressive. They were responsive and delivered on time, which was crucial for bringing our app vision to life. The team's ability to meet deadlines ensured the project's success and demonstrated their commitment to client needs.
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Industry Experience

Bravo Studio has demonstrated expertise across the Legal and Automotive industries. Clients in the Legal sector praised their project management, responsiveness, and capability in delivering quality mobile applications. In the Automotive industry, feedback highlighted their innovation and flexibility in developing prototype applications that enhance customer engagement and showcase new use cases. Overall sentiment is positive, indicating Bravo Studio's strong alignment with client goals and their impactful contributions to these sectors.
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Legal Automotive

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Average Project Cost Breakdown

What Clients Have Said
Clients have expressed high satisfaction with Bravo Studio's cost-effectiveness and overall value for money. One CEO noted the company's 'good value for cost' and alignment with their values, while a Product Manager highlighted that Bravo's pricing fit their budget and provided 'great culture fit.' Overall, feedback emphasizes timely delivery and responsiveness, reinforcing the perception that Bravo Studio offers a compelling return on investment.
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Ireland (1) United States (1)

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Karumi

Not yet reviewed

$10,000+

$50 - $99 / hr

2 - 9

Madrid, Spain

Services provided

20% Custom Software Development

70% Mobile App Development

5% IoT Development +1

5% Web Development

Focus Areas

50% Kotlin

50% Swift

Karumi is a Madrid, Spain-based mobile app development company. They focus on Mobile App Development and Custom Software Development.
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Whale Tech Solutions

5.0 1 review

$1,000+

$25 - $49 / hr

2 - 9

València, Spain

Services provided

25% Custom Software Development

25% Mobile App Development

25% Other Application Development +1

25% Web Development

Focus Areas

20% Kotlin

30% Other programming & scripting languages

20% Java +2

20% Swift

10% Python

Whale Tech Solutions specializes in Bespoke Software Development and Custom App Development, delivering tailored software solutions for diverse industries. Reviews highlight their technical expertise, particularly in integrating advanced technologies like NFC, and their commitment to understanding client needs, resulting in enhanced operational efficiency and productivity. Clients commend their responsiveness, attention to detail, and strong project management skills.

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Calima Solutions

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Telde, Spain

Services provided

25% Custom Software Development

25% Blockchain

25% Search Engine Optimization +1

25% Web Development

Focus Areas

25% Kotlin

25% JavaScript

25% PHP +1

25% Swift

Based in Telde, Spain and Berlin, Germany, Calima Solutions is a SEO services firm. The team provides Search Engine Optimization and Custom Software Development.
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Clutch Developer

Not yet reviewed

$25,000+

$100 - $149 / hr

2 - 9

Barcelona, Spain

Services provided

60% Mobile App Development

20% Conversion Optimization

20% Web Development

Focus Areas

25% Kotlin

50% Other programming & scripting languages

25% Swift

Clutch Developer is a mobile application development company headquartered in Barcelona, Spain. They specialize in Mobile App Development and Conversion Optimization.
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Docastix

Not yet reviewed

Undisclosed

$50 - $99 / hr

2 - 9

Barcelona, Spain

Services provided

25% IT Strategy Consulting

25% Mobile App Development

25% UX/UI Design +2

15% Application Management & Support

10% Web Design

Focus Areas

35% Kotlin

35% Swift

15% Java +2

10% PHP

5% Objective C

Docastix is an user experience design agency. The Barcelona, Spain-based company was founded in 2024. Their services include UX/UI Design and IT strategy consulting.
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The Software Room

Not yet reviewed

$50,000+

$50 - $99 / hr

2 - 9

Cornellà de Llobregat, Spain

Services provided

50% Custom Software Development

40% Web Development

10% Mobile App Development

Focus Areas

10% Kotlin

25% Java

25% Ruby +2

20% JavaScript

20% SQL

The Software Room, a custom software development company, is located in Cornellà de Llobregat, Spain. They provide Custom Software Development and Web Development and were established in 2021.
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Insolite

Not yet reviewed

$5,000+

$50 - $99 / hr

10 - 49

Sabadell, Spain

Services provided

10% Custom Software Development

30% Mobile App Development

10% Business Consulting +5

10% IT Strategy Consulting

10% Low/No Code Development

10% UX/UI Design

10% Web Design

10% Web Development

Focus Areas

15% Kotlin

40% Redux

20% Typescript +2

15% JavaScript

10% SQL

Insolite, an application development company, is located in Sabadell, Spain. Founded in 2022, the team provides Mobile App Development and Web Design.
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GeneticAI

Not yet reviewed

$1,000+

$100 - $149 / hr

10 - 49

Pozuelo de Alarcón, Spain

Services provided

20% AI Consulting

20% AI Development

20% Mobile App Development +4

15% AR/VR Development

10% Event Management

10% Web Design

5% Generative AI

Focus Areas

16% Kotlin

23% ASP.NET

23% C# +2

23% Python

15% Swift

GeneticAI is a small AI development company in Pozuelo de Alarcón, Spain. The team offers Artificial Intelligence and Mobile App Development.
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CHI Software

5.0 31 reviews

$50,000+

$50 - $99 / hr

250 - 999

Barcelona, Spain

Services provided

15% Custom Software Development

25% AI Development

20% Generative AI +4

10% AI Consulting

10% IoT Development

10% Mobile App Development

10% Web Design

Focus Areas

10% Kotlin

10% ASP.NET

10% C# +9

10% C++

10% Java

10% JavaScript

10% Python

10% Swift

5% Objective C

5% PHP

5% Ruby

5% SQL

CHI Software is a renowned provider of Custom Software Development services, offering expertise in tailored software creation, full-stack development, and end-to-end software engineering. The company consistently receives positive feedback, with reviews highlighting their reliability, technical proficiency, and effective project management. Approximately 90% of reviewers commend their timely delivery and adaptability, emphasizing CHI Software's commitment to client satisfaction and quality deliverables.

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Industry Experience

CHI Software has displayed expertise across various industries including Manufacturing, Software, Information Technology, Healthcare, and Finance. Clients consistently praise their strong communication, reliable project management, and ability to deliver quality results on time. In Manufacturing, they effectively integrated IoT solutions. Their work in Software and IT Services is marked by robust backend and frontend development, while in Healthcare, they excelled in creating user-friendly applications. Overall, feedback indicates a positive sentiment, suggesting CHI Software is a viable partner for projects in these sectors.
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Manufacturing Software Information technology Sports IT Services Healthcare Financial services Design Education Arts, entertainment & music Hospitality & leisure Government

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Average Project Cost Breakdown

$50,000 to $199,999 (12) $10,000 to $49,000 (8) Less than $10,000 (2) $10,000,000 + (1)

What Clients Have Said
Clients consistently praised CHI Software for their cost-effectiveness and value for money, noting that their pricing aligned well with project budgets. One client highlighted, 'Pricing fit our budget' while another remarked on 'good value for cost.' Overall sentiment reflects satisfaction with the quality of work relative to costs, with many reviewers indicating that CHI Software provided reliable services without compromising on quality, thus making them a preferred choice for various projects.
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Ukraine (7) Israel (6) United States (4) Germany (3) Luxembourg (2) Sweden (2) Austria (1) Singapore (1) Switzerland (1) England (1)

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Barcelona, Spain

AVENIDA DIAGONAL, 539-541, office, 2
Barcelona, Spain 08029
10 - 15

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Excibit Solutions

Not yet reviewed

$5,000+

$25 - $49 / hr

10 - 49

Madrid, Spain

Services provided

30% Web Development

15% BI & Big Data Consulting & SI

15% Cloud Consulting & SI +6

14% Low/No Code Development

10% Mobile App Development

5% AI Development

5% Product Design

5% UX/UI Design

1% Web Design

Focus Areas

10% Kotlin

20% JavaScript

20% Python +5

15% Java

10% Go

10% Redux

10% Swift

5% Typescript

Excibit Solutions is a web development company launched in 2016. The agency specializes in Web Development and BI & big data consulting & SI.
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Gigson Solutions

Not yet reviewed

$10,000+

$25 - $49 / hr

10 - 49

Barcelona, Spain

Services provided

20% Custom Software Development

20% AI Development

20% API Development +3

20% Computer Engineering

10% Cybersecurity

10% Web Design

Focus Areas

20% Kotlin

20% Java

20% Python +2

20% Swift

20% Typescript

Gigson Solutions is a Barcelona, Spain-based Cybersecurity company. They focus on Cybersecurity and Custom Software Development and were launched in 2022.
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Medano Solution

Not yet reviewed

$1,000+

$50 - $99 / hr

2 - 9

El Médano, Spain

Services provided

50% IT Staff Augmentation

25% Web Development

10% E-Commerce Development +3

5% Mobile App Development

5% UX/UI Design

5% Web Design

Focus Areas

10% Kotlin

30% Typescript

20% PHP +5

10% C++

10% HTML5

10% Redux

5% JavaScript

5% SQL

Medano Solution is an IT staff augmentation company. The firm is based in El Médano, Spain. Their team focuses on IT staff augmentation and Web Development.
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INNOVANT

4.9 14 reviews

$10,000+

$50 - $99 / hr

50 - 249

València, Spain

Services provided

35% Custom Software Development

20% IT Staff Augmentation

15% Web Development +4

10% AI Development

10% UX/UI Design

5% AI Consulting

5% Mobile App Development

Focus Areas

10% Kotlin

25% C#

25% Typescript +3

15% Java

15% Python

10% SQL

INNOVANT is a bespoke software development company specializing in end-to-end software engineering and custom software creation. Client feedback indicates a consistently positive experience, with approximately 100% satisfaction expressed regarding their commitment, technical expertise, and collaborative project management. A recurring theme in reviews is their impressive adaptability and proactive approach to evolving client needs, ensuring high-quality deliverables and strategic alignment with client objectives.

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9 of 11 Custom Software Development reviews are 5 stars

1 new review for Custom Software Development in past 6 months

$200,000 – $999,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Software UI/UX Design/Development for Software Company
5.0 — INNOVANT provided software development services for a software development company. The team's work included conducting an app architecture analysis and providing UI/UX design support. Read more
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Average Project Cost Breakdown

$10,000 to $49,000 (4) $50,000 to $199,999 (3) $1,000,000 to $9,999,999 (3) $200,000 to $999,999 (2) Less than $10,000 (1)

What Clients Have Said
Clients have expressed high satisfaction with INNOVANT's pricing, often noting that their costs fit within budgetary constraints while delivering significant value. Feedback highlights their proactive communication and timely project management, with one client stating, "the ability to respond in the requested times and budget" was impressive. Another client mentioned, "pricing fit our budget" as a key reason for their selection. Overall, the sentiment indicates that clients perceive INNOVANT as a cost-effective partner that enhances project outcomes.
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València, Spain

299 Carrer del Doctor Lluch
València, Spain 46011
6 - 9

616377148

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Relevant Software

4.9 31 reviews

$50,000+

$50 - $99 / hr

50 - 249

Ademuz, Spain

Services provided

30% Custom Software Development

20% IoT Development

10% AI Consulting +4

10% AI Development

10% IT Staff Augmentation

10% Mobile App Development

10% Web Development

Focus Areas

10% Kotlin

20% JavaScript

10% ASP.NET +6

10% C#

10% Go

10% Java

10% Python

10% Rust

10% Swift

Relevant Software is a custom software development company specializing in bespoke software creation and full-stack development. Their clients commend their transparency and effective communication, with many emphasizing their ability to deliver tailored solutions that enhance operational efficiency. Approximately 90% of reviews highlight their technical expertise, while around 80% mention their strong project management and adherence to timelines.

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Reviews mention Accommodating
Clients have expressed high satisfaction with Relevant Software's accommodating nature, highlighting their adaptability and readiness to assist. One client noted, 'Relevant is adaptable to our requirements' and praised their excellent communication throughout the project. Additionally, the project manager's involvement in managing deliverables and regular check-ins were particularly appreciated, reinforcing the sentiment of their willingness to meet client needs effectively.

Identity Relationship Mgmt Software for No-Code Platform

5.0 May 4, 2022

Relevant assigned their own project manager to our project, and was ready to assist in managing the deliverables, jump-in on stand-ups etc. The communication via email, slack and virtual meetings has been great. Relevant Software is adaptable to our requirements, including technological ones. They are willing to assist, capable of achieving results, and ready to learn.
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Industry Experience

Relevant Software has demonstrated expertise across various sectors, including Financial Services, Advertising & Marketing, IT Services, Healthcare, and Construction. Client feedback highlights strengths in project management, timely delivery, and effective communication. In Financial Services, they excelled in MVP development and user experience design. Their work in Advertising & Marketing revealed a strong ability to create scalable applications. Overall sentiment reflects confidence in their capabilities, making them a suitable partner for clients in these industries seeking reliable software development.
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Gaming Advertising & marketing IT Services Software Healthcare Consulting Media Arts, entertainment & music Other Industry Government Information technology Construction Financial services

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Average Project Cost Breakdown

$50,000 to $199,999 (13) $10,000 to $49,000 (10) Less than $10,000 (4) $1,000,000 to $9,999,999 (2) $200,000 to $999,999 (1)

What Clients Have Said
Client feedback on Relevant Software consistently highlights their competitive pricing and strong value for money. Many clients noted that the company's pricing fit their budgets and aligned with the quality of service received. For instance, a CEO praised them for delivering impressive outcomes while staying within budget, while another client emphasized their proactive support and efficient communication. Overall, clients expressed satisfaction with the cost-effectiveness of Relevant Software's services, often noting that they achieved more than expected within their financial constraints.
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United States (7) Norway (4) Ukraine (4) England (4) Canada (3) Germany (3) Bahamas (1) Finland (1) Netherlands (1) Sweden (1)

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InnoIT Consulting

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Barcelona, Spain

Services provided

20% AI Development

20% Application Testing

20% BI & Big Data Consulting & SI +3

20% Web Development

10% Cloud Consulting & SI

10% Mobile App Development

Focus Areas

20% Kotlin

20% Java

20% JavaScript +4

10% Elixir

10% PHP

10% SQL

10% Swift

InnoIT Consulting is a big data company. Their team is located in Barcelona, Spain. The firm specializes in BI & big data consulting & SI and Web Development.
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Airtouch Media

Not yet reviewed

$25,000+

$25 - $49 / hr

10 - 49

Madrid, Spain

Services provided

20% Custom Software Development

40% Mobile App Development

20% IT Staff Augmentation +2

10% IT Managed Services

10% Web Development

Focus Areas

10% Kotlin

20% JavaScript

20% Python +5

10% C#

10% C++

10% Objective C

10% SQL

10% Swift

Mobile application development company Airtouch Media is headquartered in Madrid, Spain and București, Romania. Their services include Mobile App Development and Custom Software Development.
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Wunderdog

4.5 2 reviews

$10,000+

$100 - $149 / hr

50 - 249

Málaga, Spain

Services provided

25% Custom Software Development

20% IT Strategy Consulting

20% Web Development +7

10% IT Staff Augmentation

10% UX/UI Design

5% E-Commerce Development

5% Mobile App Development

2% Enterprise App Modernization

2% Other Application Development

1% Application Testing

Focus Areas

10% Kotlin

10% Ember.js

10% Java +7

10% JavaScript

10% Other programming & scripting languages

10% PHP

10% Python

10% Swift

10% Typescript

10% UnrealScript

Wunderdog is a custom software development company known for its tailored solutions and expertise in software engineering. The reviews highlight their ability to provide well-fitting solutions, with 100% positive feedback emphasizing their impact in accelerating project timelines and effectively addressing staffing challenges in specialized roles. Their approach is characterized by seamless integration and strong team collaboration.

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0 of 1 Custom Software Development reviews are 5 stars

$50,000 – $199,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Staff Augmentation for News & Discovery Platform
4.5 — Wunderdog augmented the in-house AI team of a news and discovery platform. They helped develop and implement key features for the client's app. Read more
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Industry Experience

Wunderdog has garnered positive feedback across the Advertising & Marketing and Software industries. In Advertising & Marketing, they effectively supported ongoing platform development, demonstrating strong project management and communication skills. In the Software sector, their expertise in Rust and AI development significantly accelerated project timelines, highlighting their ability to provide tailored solutions. Overall, Wunderdog is well-suited for clients seeking skilled developers in tech-driven environments, particularly in AI and platform development.
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Advertising & marketing Software

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Average Project Cost Breakdown

$50,000 to $199,999 (1)

What Clients Have Said
Clients generally perceive Wunderdog as providing good value for money, noting their ability to deliver skilled professionals promptly. One client highlighted their satisfaction with a developer who helped expedite project timelines, emphasizing that the right talent was available when needed. Another client appreciated the company's effective communication and ongoing support, which contributed to seamless project management. Overall, the sentiment reflects a positive view of cost-effectiveness and the quality of service provided.
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Málaga, Spain

3 Calle Marqués de Larios
Málaga, Spain 29015
16 - 20

+34676700717

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CGTS CORP Inc.

Not yet reviewed

$10,000+

$25 - $49 / hr

50 - 249

San Sebastián de los Reyes, Spain

Services provided

25% Custom Software Development

20% Mobile App Development

20% Web Development +3

15% IT Staff Augmentation

10% Application Testing

10% Low/No Code Development

Focus Areas

10% Kotlin

40% Java

15% AJAX +4

15% SQL

10% Redux

5% Python

5% Swift

Established in 2014, CGTS CORP Inc. Is a midsize software development firm. Their team specializes in Custom Software Development and Web Development.
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San Sebastián de los Reyes, Spain

Av. Somosierra Num. 12 , 28703, San Sebastian de los Reyes
San Sebastián de los Reyes, Spain 28703
31 - 40

34910400950

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Trembit

4.9 16 reviews

$10,000+

$50 - $99 / hr

10 - 49

València, Spain

Services provided

30% Custom Software Development

20% Mobile App Development

20% Web Development +5

10% E-Commerce Development

5% Application Management & Support

5% Application Testing

5% Business Consulting

5% IT Strategy Consulting

Focus Areas

20% Kotlin

30% JavaScript

20% Redux +3

10% Java

10% Swift

10% Typescript

Trembit is a bespoke software development company specializing in custom software creation and video streaming solutions. The company receives overwhelmingly positive feedback, with a focus on its technical expertise, agile project management, and deep understanding of client needs. Approximately 90% of reviewers highlight Trembit's ability to deliver tailored software solutions on time, while 85% emphasize their proficiency in video streaming and communication platforms.

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Reviews mention Collaborative
Clients have consistently praised Trembit for their collaborative approach and strong communication skills. Feedback highlights the seamless integration of Trembit's team with clients' operations, emphasizing their adaptability and commitment to understanding project needs. For instance, one client noted their team felt like 'part of the team,' while another appreciated Trembit's proactive problem-solving and ownership of tasks. Overall, sentiment regarding collaboration is highly positive, with clients expressing satisfaction and a strong partnership throughout the project lifecycle.

Custom Video Communication Platform Dev for Global HR Agency

5.0 Jun 23, 2022

Trembit's project manager perfectly handled the scope and the communication between our teams. Right from the start, they were highly organized and time sensitive. Their collaboration style and deep understanding of product specifications and clients' needs were most impressive.
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Ongoing Python & Angular Dev for E-Learning Company

5.0 Oct 11, 2018

The team assigned to us is quite service-oriented. We’re very open with them and I think they feel like a part of the team. We try to take care of them as if they were our own personnel. Another recommendation is to make them part of the team. They are devoted to us, and in turn, we involve them in the production of our platform.
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Industry Experience

Trembit demonstrates substantial expertise in various industries, notably healthcare, financial services, software, human resources, wellness & fitness, IT services, education, and advertising & marketing. Reviewers consistently highlight their strong project management, effective communication, and technical proficiency. In healthcare, they excelled in enhancing user experience and security; in financial services, they automated processes to expedite decision-making. Their impactful solutions in software development include video conferencing and streaming platforms, making them a solid fit for projects requiring robust technical capabilities.
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Healthcare Financial services Software Human Resources Wellness & Fitness IT Services Advertising & marketing Arts, entertainment & music Education

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Average Project Cost Breakdown

$10,000 to $49,000 (7) $50,000 to $199,999 (4) Less than $10,000 (1)

What Clients Have Said
Clients consistently highlight Trembit's excellent value for money, noting their competitive pricing and high-quality deliverables. One client remarked on Trembit's "good value for cost," while another emphasized that their pricing fit within budget constraints. Overall, the sentiment is positive, with clients appreciating the balance of cost and quality, leading to successful project outcomes and long-term partnerships.
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València, Spain

Carrer de Leandro de Saralegui, nº 1
València, Spain 46021
2 - 5

+34 692 652 495

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Julasoft

5.0 7 reviews

$10,000+

< $25 / hr

10 - 49

València, Spain

Services provided

20% Custom Software Development

25% Blockchain

20% Mobile App Development +2

20% Web Development

15% IoT Development

Focus Areas

20% Kotlin

20% PHP

20% Python +4

15% Swift

10% Java

10% JavaScript

5% XML

Julasoft is a proficient Custom Software Development company specializing in tailored software solutions and full-stack development. Reviewers unanimously praised their effective project management, timely deliveries, and strong communication, with 100% of feedback highlighting their ability to adapt to client needs and deliver high-quality, impactful software solutions. Clients noted no significant areas for improvement, underscoring Julasoft's consistent excellence and reliability in software engineering and development.

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Reviews mention Translate ideas into products
Clients have praised Julasoft for their ability to effectively translate client needs into tangible technical solutions. One client noted their impressive communication skills and timely deliveries, highlighting how Julasoft's clear processes and agile methodologies facilitated project success. The impact of their work was significant, contributing to business growth through enhanced digital channels. Overall, the sentiment is highly positive, with clients expressing satisfaction and no identified areas for improvement.

Web & Mobile Crowdfunding Platform for Consulting Company

5.0 Sep 25, 2020

They are very good at communicating with clients like myself that have very clear needs but not the technical knowledge to translate them into the right processes. They're great at translating the needs of their clients into concrete technical solutions.
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Industry Experience

Julasoft has demonstrated expertise across various industries, including Nonprofit, Government, Media, Healthcare, and Business Services. Clients have praised their strong project management, communication skills, and ability to deliver innovative solutions tailored to specific challenges, such as developing interactive maps for gender violence victims and platforms for anonymizing contest submissions. Overall sentiment reflects high satisfaction, particularly in Government and Healthcare sectors, making Julasoft a suitable partner for organizations seeking technology-driven solutions in these fields.
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Nonprofit Government Media Healthcare Business services

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Argentina (4) United States (1) Uruguay (1)

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València, Spain

Carrer del Reverend Rafael Tramoyeres
València, Spain 46020
2 - 5

+34600350833

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Emergento

Not yet reviewed

$10,000+

$100 - $149 / hr

2 - 9

Las Palmas de Gran Canaria, Spain

Services provided

40% E-Commerce Development

20% Business Consulting

20% IT Strategy Consulting +1

20% Web Development

Focus Areas

25% Kotlin

25% PHP

25% Typescript +2

20% Python

5% Other programming & scripting languages

Emergento is a small e-commerce development firm. Established in 2009, the team provides E-Commerce Development and IT strategy consulting.
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Brain Family

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Barcelona, Spain

Services provided

11% Low/No Code Development

10% Ecommerce Marketing

10% Social Media Marketing +13

10% Web Development

9% E-Commerce Development

9% IT Staff Augmentation

8% Digital Strategy

8% IT Strategy Consulting

7% Conversion Optimization

5% Mobile & App Marketing

4% Other Digital Marketing

3% IT Managed Services

2% Content Marketing

2% Email Marketing

1% BI & Big Data Consulting & SI

1% Mobile App Development

Focus Areas

20% Kotlin

25% PHP

25% Python +4

10% Other programming & scripting languages

10% Swift

5% Java

5% Typescript

Social media marketing company Brain Family is in T'bilisi, Georgia and Barcelona, Spain. Founded in 2012, the team offers Social Media Marketing and Web Development.
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Barcelona, Spain

121 Carrer de la Ciutat de Granada
Barcelona, Spain 08018
2 - 5

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Max Shostak

Not yet reviewed

$1,000+

$25 - $49 / hr

Freelancer

Torrevieja, Spain

Services provided

100% Custom Software Development

Focus Areas

25% Kotlin

50% Java

25% HTML5

Max Shostak is a software development firm. The Torrevieja, Spain-based company was launched in 2008. Their services include Custom Software Development.
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Codertal

Not yet reviewed

$10,000+

$50 - $99 / hr

250 - 999

València, Spain

Services provided

2% Custom Software Development

30% Mobile App Development

20% Web Development +24

2% API Development

2% AR/VR Development

2% Application Management & Support

2% Application Testing

2% BI & Big Data Consulting & SI

2% Blockchain

2% CRM Consulting and SI

2% Cloud Consulting & SI

2% Cybersecurity

2% DevOps Managed Services

2% E-Commerce Development

2% ECM Consulting and SI

2% ERP Consulting and SI

2% Enterprise App Modernization

2% IT Managed Services

2% IT Staff Augmentation

2% IT Strategy Consulting

2% IoT Development

2% Low/No Code Development

2% Other Application Development

2% Other IT Consulting and SI

2% Robotics Process Automation

2% Unified Communications Consulting & SI

2% Wearable App Development

Focus Areas

25% Kotlin

25% Swift

10% Java +8

5% C#

5% JavaScript

5% Objective C

5% PHP

5% Python

5% Ruby

5% SQL

5% Visual Basic

Codertal is a midsize mobile application development company. They focus on Mobile App Development and Web Development and were launched in 2021.
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València, Spain

CityCenter
València, Spain 46007
50 - 75

+ 34 607 84 61 52

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Desarrollo XML

Not yet reviewed

Undisclosed

Undisclosed

Freelancer

Alicante (Alacant), Spain

Services provided

20% Cybersecurity

20% E-Commerce Development

20% Graphic Design +2

20% Mobile App Development

20% Web Design

Focus Areas

20% Kotlin

20% HTML5

20% Java +2

20% Objective C

20% Swift

Desarrollo XML is a web design agency founded in 2009. The firm focuses on Web Design and Graphic Design, and is small.
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SSA Group

4.8 16 reviews

$5,000+

$50 - $99 / hr

50 - 249

Málaga, Spain

Services provided

20% Custom Software Development

60% IT Staff Augmentation

10% IT Managed Services +1

10% Web Design

Focus Areas

10% Kotlin

50% C#

10% Java +3

10% JavaScript

10% PHP

10% Python

SSA Group is a custom software development company known for its excellence in delivering tailored software solutions. Clients commend SSA Group for their responsive communication and the quality of their front-end development services, with 100% of reviews highlighting their strong culture fit and team integration. Notably, there are no reported areas for improvement, indicating consistently high satisfaction among reviewers.

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2 of 3 Custom Software Development reviews are 5 stars

$10,000 – $49,000 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Frontend Development Resources for CRO Company
5.0 — SSA Group provides frontend developers to augment a CRO company's development team. The resources help the client build cutting-edge technology for their end customers. Read more
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Industry Experience

SSA Group has demonstrated significant expertise across various industries, including IT Services, Retail, Arts & Entertainment, and Business Services. Clients noted their reliability, ethical standards, and effective communication. In IT Services, they have successfully built complex applications, while in Retail, they've enhanced development teams with skilled developers. Feedback from the Arts sector highlights their creativity in app design, fostering positive user experiences. Overall, SSA Group is well-regarded for their responsiveness and project management, making them a strong partner in technology-driven projects.
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Retail IT Services Arts, entertainment & music Business services Other Industry Information technology Legal Education Transportation

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Average Project Cost Breakdown

$10,000 to $49,000 (10) $50,000 to $199,999 (3) $200,000 to $999,999 (1)

What Clients Have Said
Clients generally perceive SSA Group as offering good value for money, with many noting their competitive pricing and high-quality deliverables. For instance, one client highlighted the impressive return on investment, stating that the costs were significantly lower than local alternatives while maintaining quality. Another mentioned the reliability and ethical standards of the team, contributing to a positive overall sentiment regarding cost-effectiveness. However, a few reviews indicated that while the pricing was reasonable, some projects experienced overruns due to evolving requirements.
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Málaga, Spain

3 Avenida de las Américas
Málaga, Spain 29002
2 - 5

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SDLC Corp

5.0 11 reviews

$50,000+

$25 - $49 / hr

250 - 999

Madrid, Spain

Services provided

30% Custom Software Development

20% Web Development

15% AI Development +4

15% Mobile App Development

8% ERP Consulting and SI

7% CRM Consulting and SI

5% Blockchain

Focus Areas

25% Kotlin

30% Swift

20% JavaScript +2

15% Typescript

10% Java

SDLC Corp is a Custom Software Development company specializing in bespoke software creation, full stack software development, and end-to-end software development solutions. They are commended for their technical expertise, professionalism, and effective project management, with 100% of reviewers highlighting their transparency and dependability. They consistently provide tailored software development solutions that align with business needs.

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Reviews mention Timely
Overall sentiment regarding timeliness is highly positive, with multiple clients praising SDLC Corp for adhering to project timelines. One client noted, "They sticked to the timeline and delivered exceptional product as per the expectation." Another remarked, "Their ability to complete the various stages of the project at specified timeframes has impressed us very much." Additionally, a bakery owner appreciated their punctuality and regular communication, stating, "They delivered as per timeline." Such feedback underscores the company's commitment to timely project delivery.

Mobile App Dev for Insurance Company

5.0 Aug 17, 2021

Yes, they sticked to the timeline. Delivered exceptional product as per the expectation and hence we still look forward to consume more of their services.
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Web & Mobile Dev for Cryptocurrency Platform

5.0 Aug 17, 2021

Their ability to complete the various stages of the project at specified timeframes has impressed us very much.
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Web Development for Bakery

5.0 Jun 23, 2021

They are very regular in communication and delivered as per timeline.
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App Development for Food Catering Services Company

5.0 May 18, 2021

Two things I liked most about this company: 1) Adherence to project timeline 2) Quality of work delivered.
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4 of 4 Custom Software Development reviews are 5 stars

Less than $10,000 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Legacy Product Revamp for Proofchain Protocol Provider
5.0 — SDLC Corp rewrote code for a legacy enterprise product. The team revamped the architecture, optimizing and building out the new UI and UX. The team also migrated their technology stack to the MERN Read more
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Industry Experience

SDLC Corp has demonstrated expertise across multiple industries, including Financial Services, Business Services, IT Services, Food & Beverages, and Human Resources. Clients commend their technical proficiency, adherence to timelines, and exceptional communication skills. Overall sentiment is positive, highlighting their ability to deliver quality solutions, enhance user experience, and drive business growth. This provider is particularly well-suited for firms seeking custom software development, mobile applications, and improved operational processes.
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Business services IT Services Food & Beverages Human Resources Other Industry Financial services

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Madrid, Spain

Calle de Alcalá, 50
Madrid, Spain 28014
21 - 30

+34911234567

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Baufest

4.7 3 reviews

$100,000+

$100 - $149 / hr

1,000 - 9,999

Madrid, Spain

Services provided

30% Custom Software Development

25% BI & Big Data Consulting & SI

15% Cloud Consulting & SI +3

10% Cybersecurity

10% UX/UI Design

10% Web Development

Focus Areas

10% Kotlin

10% Ember.js

10% Java +7

10% JavaScript

10% Objective C

10% Other programming & scripting languages

10% PHP

10% Python

10% Redux

10% Visual Basic

Baufest is a bespoke software development company specializing in custom software creation and full-stack software development services. Approximately 90% of feedback emphasizes their professional project management and technical expertise, with clients frequently highlighting their commitment to project success and adaptability. While generally positive, about 20% of reviewers suggest improvements in proactive communication and personnel stability.

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Industry Experience

Baufest demonstrates strong expertise in the logistics and maritime industries, providing effective system development and maintenance services. Clients commend their project management skills, commitment, and adaptability, particularly in automating processes and improving operational stability. The overall sentiment is positive, with clients appreciating their technical proficiency and understanding of business needs. Potential clients in logistics and maritime sectors would likely find Baufest a suitable partner for software implementation and process optimization.
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Other Industry Manufacturing

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Average Project Cost Breakdown

$50,000 to $199,999 (2) $10,000 to $49,000 (1)

What Clients Have Said
Clients have consistently praised Baufest for delivering high-quality services that offer significant value for money. One client noted an investment of approximately $80,000 resulted in a stable and effective system that has performed well for years. Another mentioned project costs ranging from $1,000 to $20,000, highlighting the cost-effectiveness of their services. Overall, feedback indicates that clients feel Baufest's pricing aligns well with the quality of work and commitment they provide.
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Chile (2) Peru (1)

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Madrid, Spain

Calle Francisco Giralte 2, Chamartín Madrid
Madrid, Spain 28002
2 - 5

+34 (91) 745-2763

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Top Kotlin Developers in Spain

List of the Top Spain Kotlin Development Services

Reviews mention Great project management

API Setup, AI, Front- & Backend Dev for AI Voice Agent Co

API Setup, AI, Front- & Backend Dev for AI Voice Agent Co

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Website Development for Mobile App Publishing Solution

Average Project Cost Breakdown

What Clients Have Said

WiserBrand is very responsive

Reviewed 7 times in the past 6 months

Industry Experience

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Reviews mention Easy to work with

Website Revamp for Design Agency

Mobile App Dev for Construction Company

Web Dev & UI/UX Design for 3D Production Company

Development Staff Augmentation for Software Company

Custom Software Dev for Web Design Company

Custom Database Development for Private School

Industry Experience

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Reviews mention Transparent

AI-Powered Billing Software Dev for Software Company

Reviewed 1 time in the past 6 months

AI-Powered Billing Software Dev for Software Company

Industry Experience

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Reviews mention Exceptional results

App Dev for Printer Manufacturing Company

Mobile Application Dev for Management Consulting Company

Industry Experience

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What Clients Have Said

Solution Design & Dev for Premium Building Materials Co

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Reviews mention Communicative

Mobile App Development for Dev & Sustainability Company

Web-Based App for Software Development Firm

Web-Based App for Software Development Firm

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Professional

Website Development for Nonprofit Organization

Cross-Platform App Dev for University Research Group

Mobile Dev for Training Company

Industry Experience

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Onabitz is very responsive

Reviews mention High-quality work

Mobile App Development for Footgolf Company

Mobile Development for Family Planning Game

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Reviews mention Communicative

Mobile App Development for Transport Company

iOS App Development for Legal & Insurtech Company

iOS App Development for Legal & Insurtech Company

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Reviews mention Timely

Mobile App Development & UX/UI Design for Legal Consultancy

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Industry Experience