Top App Developers in Seoul
6 Leaders 15 Contenders
53 Companies
List of the Top Seoul Mobile App Development Companies
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$5,000+$25 - $49 / hr250 - 999Serves Seoul, South KoreaServices provided
60% Mobile App Development20% AI Development10% UX/UI Design +1 service10% Web DevelopmentSee all 173 projectsKonstant Infosolutions is a mobile app development company with expertise in building digital platforms for various industries, including healthcare, insurance, and real estate. They are highly praised for their professional project management and strong communication, with 90% of clients noting their responsiveness and ability to meet deadlines. The company excels in delivering secure, user-friendly applications, with over 70% of reviewers highlighting their commitment to client satisfaction and technical proficiency in mobile application development.
Reviews mention Flexible
The client feedback regarding flexibility at Konstant Infosolutions is overwhelmingly positive. Clients consistently noted the team's willingness to accommodate changes and adjustments. For instance, one client highlighted their flexibility in accepting minor edits, while another praised their adaptability to evolving project requirements. Additionally, several clients appreciated their responsiveness and readiness to tackle challenges collaboratively. Overall, the sentiment surrounding flexibility reflects a strong commitment to client satisfaction and effective project management.-
Mobile App Development for Business Consulting Company
5.0 Sep 26, 2022They were flexible enough to accept minor edits.
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Mobile App Dev for Social Networking Platform
5.0 Feb 24, 2022We were most impressed with their team's flexibility in terms of development, budget, and communication.
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App Dev Upgrade for Productivity Services Startup
5.0 Mar 20, 2020They do good quality work and are flexible in terms of cost and timeline. Compared to other developers I’ve worked with, they’re a better company to collaborate with.
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Web and App Dev for a Marketing and Growth Partner
5.0 Feb 6, 2020They’re flexible—when something isn’t right, they’re eager to help or figure it out. Once they had a good grasp of everything that we do, they were able to take on even more responsibilities that we originally had planned.
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Drupal and Other Dev for UN Sustainable Transport Division
5.0 Sep 28, 2018Their flexible approach helped them find solutions to any issues that arose. They were willing to put in the extra work if it meant getting the result we wanted.
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4 of 4 reviews are 5 stars3 new reviews for Mobile App Development services$10,000 – $49,000 avg. project costRead 4 Recent ReviewsReviewed 4 times in the past 6 months
Recent client feedback for Konstant Infosolutions reflects a strong overall sentiment, highlighting their professionalism and technical expertise. Clients praised their agile project management, timely deliverables, and responsive communication. For instance, an insurance company noted improved customer engagement and efficiency through a digital platform, while a biotechnology firm appreciated the development of a secure AI assistant that enhanced productivity. Areas for improvement included additional training documentation and faster UI refinements, yet overall, clients expressed high satisfaction with the collaboration.Was this helpful?
80 of 91 Mobile App Development reviews are 5 stars3 new reviews for Mobile App Development in past 6 months$50,000 – $199,999 avg. project costRead 91 ReviewsMobile App Development PROJECT HIGHLIGHT
App Development for Logistics Fulfillment Solutions Co
5.0 — A logistics fulfillment solutions company has hired Konstant Infosolutions for app development. They've been tasked with creating a food delivery platform for the client's project. Read moreWas this helpful?
More responsive than most other service providers
Get in TouchKonstant Infosolutions is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
$1,000+< $25 / hr50 - 249Serves Seoul, South KoreaServices provided
50% Mobile App Development15% AI Development15% Web Development +2 services10% E-Commerce Development10% UX/UI DesignSee all 45 projectsMatrix Media Solutions (P) Ltd. is a versatile company specializing in mobile app development, offering services in iOS and Android app development, as well as web development and digital marketing solutions. Across multiple reviews, approximately 90% of clients express satisfaction with their project management, noting their responsiveness and flexibility. Clients consistently praise their ability to deliver projects on time and within budget, citing their communicative and collaborative approach as impressive.
Reviews mention High-quality work
Clients consistently commend Matrix Media Solutions (P) Ltd. for delivering high-quality work across various projects. For instance, a client from Zuba LLC highlighted their exceptional adaptability and commitment to refining the app based on feedback, ensuring a product that exceeded expectations. Similarly, NAS Freight Solutions praised their website for its appealing design and functionality, and noted their professionalism and timely delivery. Overall, the sentiment reflects a strong appreciation for the quality of deliverables and effective communication throughout the project lifecycle.-
Web Dev & IT Services for IT Company
5.0 May 13, 2021In terms of the quality of work, they make sure that everything is working perfectly before they actually implement it. If something fails, they are accountable and will make sure that they get it right before moving forward. They are quite strict on their user acceptance testing (UAT) processes.
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Website Design & Development for Logistics Company
5.0 May 12, 2025Matrix Media Solutions (P) Ltd. successfully delivered our website, which received positive feedback and reviews from external people. In fact, most people were pleased with how the website looked in terms of speed, design, and content. The website looked good. Overall, the team was professional and delivered the project on time.
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Mobile App Dev for Phone Finder Platform
5.0 Nov 20, 2025The app passed internal QA and functional testing cycles without critical errors. Achieved full compliance with iOS and Android system regulations. Also, their ability to deliver high-quality work at an affordable price, without letting budget pressures compromise quality, really stood out.
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PPC, SEO, & Web Dev for Digital Marketing & Web Dev Agency
5.0 Mar 26, 2023The websites that Matrix Media Solutions (P) Ltd. have designed and created are beautiful, functional, responsive, and quick because they use good servers and hand-pick the technology they use to develop the platforms to ensure the highest quality.
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1 of 2 reviews are 5 stars1 new review for Mobile App Development services$10,000 – $49,000 avg. project costRead 2 Recent ReviewsReviewed 2 times in the past 6 months
In the past six months, clients have praised Matrix Media Solutions (P) Ltd. for their professionalism, responsiveness, and effective project management. One client highlighted the exceptional support provided by project manager Biswajit, noting his thorough attention to detail and proactive communication. Another client commended the company's agile methodology, which facilitated seamless adaptation to evolving project requirements. Overall, feedback reflects a strong sentiment of satisfaction, with minimal areas for improvement identified.Was this helpful?
Industry Experience
Matrix Media Solutions (P) Ltd. has garnered positive feedback across various industries, including Media, Medical, eCommerce, Government, and more. Clients consistently highlight their expertise in website and app development, emphasizing their project management efficiency and responsiveness. The medical industry particularly praises their supportive frameworks for neurodiversity, while the eCommerce sector appreciates their effective marketing strategies. Overall, the company's strengths lie in its adaptability, technical knowledge, and commitment to customer satisfaction, making it a promising partner for projects across diverse sectors.
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Advertising & marketing Other industries Consumer Products Engineering Logistics & Supply Chain Construction eCommerce Arts, entertainment & music Sports Legal Government Manufacturing Consumer products & services Media Financial services Human Resources IT Services Education Hospitality & leisure Software MedicalWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Client feedback regarding Matrix Media Solutions (P) Ltd. consistently highlights their affordability and value for money. Multiple clients noted that their pricing fit within budgets, with one stating they received 'good value for cost.' Feedback emphasized the company's responsiveness and ability to deliver quality work on time, reinforcing the sentiment that clients felt they received excellent services relative to their investment. Overall, clients expressed satisfaction with the cost-effectiveness of the services provided, often leading to long-term partnerships.Was this helpful?
$10,000+$50 - $99 / hr250 - 999Serves Seoul, South KoreaServices provided
20% Mobile App Development50% AI Development20% Custom Software Development +1 service10% CybersecuritySee all 7 projectsVLink provides services including Mobile App Development, web development, and SEO optimization. The reviews highlight VLink's effective project management, timely delivery, and impressive UI/UX results, indicating a positive experience. Clients appreciated the good value for cost and professional communication, emphasizing VLink's capability in delivering comprehensive app and website solutions.
Reviews mention Passionate about their work
Clients consistently highlight VLink's passion for their work, noting their impressive culture and professionalism. One client specifically praised the team's dedication, stating they delivered items on time and maintained excellent communication. This sentiment underscores VLink's commitment to their projects and clients, creating a positive and engaging working relationship.-
Social Media Marketing for Nonprofit Trade Association
5.0 Oct 25, 2024The team delivered items on time, and their communication was excellent and responsive. What did you find most impressive or unique about this company? Culture, passion, professionalism.
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Industry Experience
VLink has demonstrated expertise across various industries, including banking, automotive, and non-profit sectors. Clients in banking praise VLink for achieving project goals and timely delivery, indicating strong project management. Automotive clients appreciate their competitive pricing and competent resources, though communication can be improved. The non-profit sector feedback highlights VLink's professionalism and cultural fit, with successful engagement outcomes. Overall, VLink is well-suited for clients in banking and automotive, with a proven track record in delivering impactful results.
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Banks Automotive Non-profitWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients have generally expressed satisfaction with VLink's pricing, often highlighting that it fits within their budget constraints. For instance, one client noted that VLink was selected primarily due to its competitive pricing. However, feedback also suggests a desire for more competitive pricing structures and enhanced communication, indicating areas for potential improvement in perceived value for money.Was this helpful?
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UndisclosedUndisclosed2 - 9Gangnam-gu, South Korea
Services provided
25% Mobile App Development25% Social Media Marketing25% UX/UI Design +1 service25% Web DevelopmentLocated in Gangnam-gu, South Korea, e-motion is a small UX design company. Their services include UX/UI Design and Mobile App Development.
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UndisclosedUndisclosed2 - 9Mapo-gu, South Korea
Services provided
25% Mobile App Development25% Graphic Design25% UX/UI Design +1 service25% Web DesignSecond space, an UX company, focus on UX/UI Design and Graphic Design. They were founded in 2014.
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UndisclosedUndisclosed2 - 9Guro-gu, South Korea
Services provided
20% Mobile App Development30% Advertising30% Web Design +1 service20% BrandingSmall Advertising company plus minus, is based in Guro-gu, South Korea. The team specializes in Advertising and Web Design.
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List of the Top 6 Seoul Mobile App Development Companies
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$5,000+$50 - $99 / hr250 - 999Seoul, South Korea
Ability to deliver
39.4/40.020/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
15% Mobile App Development85% Other -
$25,000+$50 - $99 / hr10 - 49Seoul, South Korea
Ability to deliver
32.3/40.016.8/20 Reviews9.9/10 Clients & Experience5.6/10 Market PresenceService focus
20% Mobile App Development80% Other -
$10,000+$25 - $49 / hr250 - 999Seoul, South Korea
Ability to deliver
27.3/40.015.6/20 Reviews5.9/10 Clients & Experience5.8/10 Market PresenceService focus
15% Mobile App Development85% Other -
$25,000+$25 - $49 / hr50 - 249Seoul, South Korea
Ability to deliver
23.6/40.014.6/20 Reviews3.7/10 Clients & Experience5.3/10 Market PresenceService focus
25% Mobile App Development75% Other -
$5,000+$25 - $49 / hr10 - 49Seoul, South Korea
Ability to deliver
20.4/40.016.4/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
20% Mobile App Development80% Other -
$25,000+$50 - $99 / hr50 - 249Seoul, South Korea
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
60% Mobile App Development40% Other -
$25,000+$25 - $49 / hr250 - 999Seoul, South Korea
Ability to deliver
7.6/40.00/20 Reviews3.6/10 Clients & Experience4/10 Market PresenceService focus
40% Mobile App Development60% Other -
$100,000+$300+ / hr10 - 49Seoul, South Korea
Ability to deliver
4.1/40.00/20 Reviews0.1/10 Clients & Experience4/10 Market PresenceService focus
55% Mobile App Development45% Other -
$5,000+$50 - $99 / hr2 - 9Seoul, South Korea
Ability to deliver
13.1/40.00/20 Reviews7.2/10 Clients & Experience5.9/10 Market PresenceService focus
15% Mobile App Development85% Other -
$10,000+$25 - $49 / hr2 - 9seoul, South Korea
Ability to deliver
11.7/40.00/20 Reviews7.7/10 Clients & Experience4/10 Market PresenceService focus
20% Mobile App Development80% Other -
$5,000+Undisclosed10 - 49Seoul, South Korea
Ability to deliver
8/40.00/20 Reviews3.1/10 Clients & Experience4.9/10 Market PresenceService focus
30% Mobile App Development70% Other -
$10,000+$100 - $149 / hr250 - 999Seongnam-si, South Korea
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
40% Mobile App Development60% Other -
UndisclosedUndisclosed50 - 249Mapo-gu, South Korea
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
80% Mobile App Development20% Other -
UndisclosedUndisclosed50 - 249Seongdong-gu, South Korea
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
70% Mobile App Development30% Other -
UndisclosedUndisclosed1,000 - 9,999Yongsan-gu, South Korea
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
25% Mobile App Development75% Other -
$10,000+$50 - $99 / hr50 - 249Seoul, South Korea
Ability to deliver
7.9/40.00/20 Reviews1.8/10 Clients & Experience6.1/10 Market PresenceService focus
20% Mobile App Development80% Other -
$25,000+$50 - $99 / hr10 - 49Mapo-gu, South Korea
Ability to deliver
6.3/40.00/20 Reviews1.4/10 Clients & Experience4.9/10 Market PresenceService focus
30% Mobile App Development70% Other -
UndisclosedUndisclosed10 - 49Jung-gu, South Korea
Ability to deliver
8.5/40.00/20 Reviews3/10 Clients & Experience5.5/10 Market PresenceService focus
20% Mobile App Development80% Other -
$1,000+$25 - $49 / hr2 - 9Seoul, South Korea
Ability to deliver
8.4/40.00/20 Reviews4.4/10 Clients & Experience4/10 Market PresenceService focus
20% Mobile App Development80% Other -
$1,000+< $25 / hr2 - 9Seoul, South Korea
Ability to deliver
9.2/40.00/20 Reviews4.6/10 Clients & Experience4.6/10 Market PresenceService focus
10% Mobile App Development90% Other -
$10,000+$25 - $49 / hr10 - 49Seoul, South Korea
Ability to deliver
6.1/40.00/20 Reviews2.1/10 Clients & Experience4/10 Market PresenceService focus
20% Mobile App Development80% Other
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