Top 50 Mobile App Developers in Seoul
The Best of December 2025Looking for a top mobile app development company in Seoul?
Building a mobile app is expensive. In fact, it can cost $10,000 to $150,000, unless you want an out-of-the-box solution with a DIY app builder. So, choosing the right app developer is important because it can save you time and money and result in an app that makes your business stand out.
As you begin the process of hiring an app development company, remember to define the type of app you want before starting conversations with developers. How complex your app idea is will determine your budget and the skill level you need in an app developer. Then, once conversations begin, ask for portfolio items, reviews, and references. Be sure to bring up timeline, too, so you align on expectations.
Overall, with about 90% of time on mobile spent in apps, investing in a mobile app for your business may help attract customers and get your brand in front of more people.
To assist you in your search for a partner, we’ve compiled this list of the top mobile app developers in Seoul. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Seoul Mobile App Development Companies
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31Undisclosed10 - 49 employeesSeocho-gu, South KoreaJungggleX is an Advertising company. They are based in Seocho-gu, South Korea, and their services include Advertising and UX/UI Design.Read More
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32$10,000+10 - 49 employeesYongin-si, South KoreaNEWNOP is an IT staff augmentation company. They provide IT staff augmentation and Web Development and were launched in 2022.Read More
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33$5,000+2 - 9 employeesGangdong-gu, South Korea9px Design, an user experience design company, was founded in 2015. The team focuses on UX/UI Design and AR/VR development and is headquartered in Gangdong-gu, South Korea.Read More
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34Undisclosed2 - 9 employeesSeongnam-si, South KoreaGavrint Co.,ltd is a small AR/VR development company headquartered in Seongnam-si, South Korea. The team offers AR/VR development and Mobile App Development.Read More
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35$5,000+2 - 9 employeesGwangjin-gu, South KoreaCliq Technologies is a graphic design company. Established in 2016, their team specializes in Graphic Design and Mobile App Development.Read More
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36Undisclosed2 - 9 employeesGangnam-gu, South KoreaMADIT is an application development company. Their small team is headquartered in Gangnam-gu, South Korea. Their services include Mobile App Development and Advertising.Read More
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37Undisclosed2 - 9 employeesGandnam-gu, South KoreaSmall app development company Mobidays, is in Gandnam-gu, South Korea. Their services include Mobile App Development and Advertising.Read More
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38Undisclosed2 - 9 employeesSeocho-gu, South KoreaTVstorm is a small user experience agency and application development company based in Seocho-gu, South Korea. The team provides UX/UI Design and Mobile App Development.Read More
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39$5,000+2 - 9 employeesSeocho-gu, South KoreaWe Planet is a small application development firm based in Seocho-gu, South Korea. Their services include Mobile App Development and Web Development.Read More
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40Undisclosed2 - 9 employeesSeongdong-gu, South KoreaCellbig is a small AR/VR development company in Seongdong-gu, South Korea. Their services include AR/VR development and Mobile App Development.Read More
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41Undisclosed2 - 9 employeesGeumcheon-gu, South KoreaKumsol Communication is an Advertising company. The team specializes in Advertising and Mobile App Development and is located in Geumcheon-gu, South Korea.Read More
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42Undisclosed2 - 9 employeesSeoul, South KoreaAdWeb is a small Seoul, South Korea-based mobile app development firm. Their services include Mobile App Development and Advertising.Read More
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43Undisclosed2 - 9 employeesSeocho-gu, South KoreaSmall mobile application development company Opinno, is located in Seocho-gu, South Korea. The team focuses on Mobile App Development and Web Development.Read More
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44$5,000+2 - 9 employeesSongpa-gu, South KoreaBased in Songpa-gu, South Korea, SOPHIA is a small app development firm. The team provides Mobile App Development and Web Development.Read More
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45Undisclosed2 - 9 employeesSeongnam-si, South KoreaWeb development company Towen.com is headquartered in Seongnam-si, South Korea. They provide Web Development and Custom Software Development.Read More
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46Undisclosed2 - 9 employeesMapo-gu, South KoreaApposter is an UX design agency. Their small team is headquartered in Mapo-gu, South Korea. Their services include UX/UI Design and Mobile App Development.Read More
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47Undisclosed2 - 9 employeesYeongdeungpo-gu, South KoreaMonochrome is an user experience agency. Launched in 2004, the company is headquartered in Yeongdeungpo-gu, South Korea. Their team offers UX/UI Design and Mobile App Development.Read More
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48Undisclosed2 - 9 employeesGangnam-gu, South KoreaPIXDINE is a web design agency. Their small team is headquartered in Gangnam-gu, South Korea. Their services include Web Design and UX/UI Design.Read More
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49Undisclosed2 - 9 employeesGangnam-gu, South KoreaCHAI Communication is an Advertising company. Their small team is headquartered in Gangnam-gu, South Korea. Their team offers Advertising and Mobile App Development.Read More
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50Undisclosed2 - 9 employeesGangnam-gu, South KoreaMable is a small Gangnam-gu, South Korea-based Advertising company. Their services include Advertising and Mobile App Development.Read More
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51Undisclosed2 - 9 employeesGangnam-gu, South KoreaLocated in Gangnam-gu, South Korea, e-motion is a small UX design company. Their services include UX/UI Design and Mobile App Development.Read More
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52Undisclosed2 - 9 employeesMapo-gu, South KoreaSecond space, an UX company, focus on UX/UI Design and Graphic Design. They were founded in 2014.Read More
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53Undisclosed2 - 9 employeesGuro-gu, South KoreaSmall Advertising company plus minus, is based in Guro-gu, South Korea. The team specializes in Advertising and Web Design.Read More
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54Undisclosed2 - 9 employeesGangcheon-gu, South KoreaURBAN.g is an Advertising company. They are headquartered in Gangcheon-gu, South Korea and have small team. Their team focuses on Advertising and Mobile App Development.Read More
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