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Your idea. Faster.

We develop mobile and web apps in a matter of weeks, not months. 

Calda is an award-winning 🏆 mobile and web app development studio. 

We are one of the top ✅ FlutterFlow and ✅ Supabase certified experts in the world developing custom and scalable solutions for our clients. 

We've helped 70+ established businesses and startups across the USA, and Europe to realize their ideas into cutting-edge products quickly and efficiently. We won 🏆 App Design Of The Year Award at FFDC '24. 

  • Min project size
    $10,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    Ljubljana, Slovenia
  • Year founded
    Founded 2022

1 Locations

  • Ljubljana , Slovenia

No have been added yet...

    Pricing Snapshot

    Min. project size $10,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.9 /5

    What Clients Have Said

    Calda's pricing is consistently noted as fitting clients' budgets, providing good value for cost. Clients appreciate their transparency, responsiveness, and ability to deliver complex projects on time, often exceeding expectations without significant cost overruns.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $10,000 - $49,999 based on 10 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    Highly Rated Similar Providers

    Calda Review Insights

    Overall Review Rating

    4.9
    • Quality 4.9
    • Schedule 4.7
    • Cost 4.9
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Innovative and Solution-Oriented Approach

      Calda is appreciated for their innovative mindset and problem-solving capabilities. They are known to go beyond initial expectations, offering creative solutions and improvements to enhance project outcomes.

    • Dedicated Team with a Can-Do Attitude

      Calda's commitment and can-do attitude are frequently highlighted, with the team going above and beyond to meet tight deadlines and challenging requirements, often working extra hours to ensure success.

    • Enthusiastic and Engaged Team

      The Calda team is described as genuinely excited and engaged in their projects, bringing enthusiasm and a partnership mentality that enhances the client experience and project outcomes.

    • Positive Impact on Client Business

      Clients report significant business benefits from Calda's work, including increased profitability, improved user engagement, and successful app launches that meet or exceed business objectives.

    • Minor Communication Improvement Needed

      While overall communication is praised, one client suggested that more detailed communication could enhance understanding, potentially due to language barriers. This is an area for potential refinement.

    • Efficient Bug Fixing and Support

      Calda is praised for their quick response to bugs and ongoing support after project completion, ensuring apps remain functional and continue to evolve post-launch.

    Calda Reviews

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    Project cost

    Low Code Mobile App Dev & Design for Social Media Startup

    • Low/No Code Development Mobile App Development UX/UI Design
    • Confidential
    • Mar. - Oct. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They understood our vision and made a significant contribution to refining our concept."

    Nov 3, 2024
    Co-Founder, CRW
    Joshua Rex
    Verified
    • Other industries
    • Australia
    • 1-10 Employees
    • Online Review
    • Verified

    Calda developed and designed a mobile app for a social media startup. The team built the app for Android and iOS, performed low-code and custom-code development, and integrated several APIs.

    Social Media App Dev for Bio-Pesticides Company

    • Custom Software Development Graphic Design
    • Confidential
    • Oct. 2023 - Aug. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their collaborative culture and emphasis on continuous improvement fostered a dynamic and motivating environment."

    Aug 2, 2024
    President, Atomes Bio
    Dori Dagher
    • Other industries
    • Montreal, Quebec
    • 51-200 Employees
    • Online Review

    A bio-pesticides company hired Calda to build a social media app from scratch. The team also worked on building a geo-location feature.

    Mobile App Development for Nonprofit Organization

    • Mobile App Development
    • $10,000 to $49,999
    • Feb. - July 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Calda's proficiency in engineering custom-built apps helped propel our nonprofit to the forefront in the personal, professional, and spiritual leadership development sector."

    Jul 9, 2024
    Executive, ChaplainCare LLC
    Anonymous
    Verified
    • Other industries
    • Arlington, Tennessee
    • 1-10 Employees
    • Online Review
    • Verified

    Calda provided engineering and backend support for a nonprofit organization's mobile app. Their work involved data modeling, UI/UX modifications, database setup, FlutterFlow development, and testing.

    Mobile App Development for Medical Platform

    • Mobile App Development
    • Confidential
    • Jan. - Nov. 2023
    5.0
    Quality
    4.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0
    "Calda always took the time to troubleshoot and explain issues to us in person if needed. We never felt left alone."
    Nov 7, 2023
    Co-Founder & CPTO, Medical Platform
    Thanh Schrader-Nguyen
    Verified
    • Medical
    • Berlin, Germany
    • 1-10 Employees
    • Online Review
    • Verified

    A medical platform hired Calda to build their MVP. The team maintained an alpha app based on BravoStudio and Xano, working on frontend development, testing, database formation, and more.

    Figma App Design for Shark Forecasting Platform

    • Mobile App Development UX/UI Design
    • Less than $10,000
    • June - July 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their experience, quality work, and willingness to help were highly appreciated."

    Jul 26, 2023
    Founder, SafeWaters.AI
    Evan Valenti
    Verified
    • Other industries
    • Boston, Massachusetts
    • 1-10 Employees
    • Online Review
    • Verified

    Calda was hired to improve the Figma-based designs of a shark forecasting platform. The team modernized the designs to match Apple and Google's requirements and provided further development support.

    UI/UX Design & Mobile App Development for E-Commerce Company

    • Custom Software Development Mobile App Development UX/UI Design Web Development
    • Confidential
    • June - July 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Calda's service was perfect."

    Jul 12, 2023
    CEO, E-Commerce Company
    Anonymous
    • eCommerce
    • Paris, France
    • 1-10 Employees
    • Online Review

    Calda provided development services for an e-commerce company. The team created a customer portal management system on the client's mobile application.

    Mobile App Dev for Museum

    • Application Testing Custom Software Development Mobile App Development Other Application Development
    • Confidential
    • Feb. - June 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They worked very fast and were very responsive to any changes needed."

    Jun 8, 2023
    CEO, MuseMuse.app
    Kimberley Puchois
    Verified
    • Education
    • London, England
    • 1-10 Employees
    • Online Review
    • Verified

    Calda provided web development services for the museum. They built an MVP version of a cross-museum guide app, including UX design, Figma database structure, API bridge structure, and data binding.

    Mobile App Dev for Shelter Locator App

    • Custom Software Development Mobile App Development UX/UI Design
    • Confidential
    • May - Aug. 2022
    4.5
    Quality
    5.0
    Schedule
    3.0
    Cost
    3.5
    Willing to Refer
    4.5

    "I was impressed with their ability to get the job done."

    May 17, 2023
    Founder & CEO, Shelter Locator App
    Anonymous
    Verified
    • Other industries
    • Oklahoma City, Oklahoma
    • Online Review
    • Verified

    Calda was hired to build a mobile application from scratch. The app provided users with a list of nearby locations that offer shelter during a natural disaster.

    Mobile App Development for PropTech Startup

    • Mobile App Development
    • Confidential
    • Nov. 2023 - Ongoing
    4.5
    Quality
    4.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "They'll find a solution whenever a problem occurs."

    Apr 6, 2023
    Co-Founder, PropTech Startup
    Anonymous
    Verified
    • Real estate
    • Antwerpen, Belgium
    • 1-10 Employees
    • Online Review
    • Verified

    Calda has developed a native mobile app's MVP for a proptech startup. The team has also set up the app's database endpoints, published the app on app stores, and carried out testing.

    App Features Dev for Dinner Planning Company

    • Mobile App Development
    • $10,000 to $49,999
    • Oct. 2022 - Apr. 2023
    5.0
    Quality
    5.0
    Schedule
    3.5
    Cost
    5.0
    Willing to Refer
    5.0

    "They're a hungry startup and keen to learn." 

    Apr 5, 2023
    Founder, The Dinner App
    Anna Bay
    Verified
    • Other industries
    • Australia
    • 1-10 Employees
    • Online Review
    • Verified

    A dinner planning app company hired Calda to help make their mobile app more flexible for end users. The team developed features such as dietary preferences, meal saving, and recipe search functionalities. 

    Showing 11-20 of 21 Reviews

    Locations (1)

    Gospodinjska ulica 8 LjubljanaSlovenia 1000

    16 - 20

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