Top 100 Mobile App Developers in Eastern Europe
The Best of July 2026Looking for a top mobile app development company in Eastern Europe?
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 Eastern Europe. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Eastern Europe Mobile App Development Companies
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1681$10,000+10 - 49 employeesSarajevo, Bosnia and HerzegovinaSunray, a small engineering company, is based in Sarajevo, Bosnia and Herzegovina. They focus on engineering, web development, mobile app development, business consulting, and more and were established in 2020.Read More
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1682$25,000+2 - 9 employeesL'viv, UkraineCustom software development firm MouseOver was founded in 2019. The agency offers custom software development, cloud consulting & SI, BI & big data consulting & SI, web development, and more and has a small team. The agency is based in L'viv, Ukraine.Read More
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1683$5,000+50 - 249 employeesNovi Sad, SerbiaPanonIT, a custom software development company, is located in Novi Sad, Serbia and Andorra. They focus on Custom Software Development, Enterprise App Modernization, Mobile App Development, Web Development, and more and were launched in 2007.Read More
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1684$5,000+50 - 249 employeesBiałystok, PolandRead More
LBPro is a business development company founded in 2013. Their team of more than 50 offers custom software development, web development, and big data consulting services from their office in Białystok, Poland. They work with both small and mid-market businesses.
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EversoundIndustries
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1685$1,000+10 - 49 employeesPoznań, PolandRead More
Software-House.eu, a web development firm, is in Szczecin, Poland. The agency specializes in web development, custom software development, and mobile app development and has a small team.The agency was established in 2017.
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1686$5,000+10 - 49 employeesL'viv, UkraineMountalis, a mobile application development company, is based in L'viv, Ukraine. The agency specializes in Mobile App Development, Custom Software Development, Web Development, UX/UI Design, and more and has a small team.The agency was launched in 2025.Read More
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1687$10,000+50 - 249 employeesKyiv, UkraineDoBroIT is a Marketing Strategy company. They offer Marketing Strategy, Web Design, UX/UI Design, Web Development, and more and were launched in 2024. The firm is located in Kyiv, Ukraine.Read More
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1688$1,000+10 - 49 employeesGdańsk, PolandStudio Creativa is a web design company. The small Gdańsk, Poland-based team provides web design, web development, ux/ui design, and mobile app development. The company was founded in 2015.Read More
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1689$10,000+10 - 49 employeesWarszawa, PolandEstablished in 2013, Caviarsoft is an application development firm. Their services include Mobile App Development and UX/UI Design.Read More
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1690$1,000+10 - 49 employeesTallinn, EstoniaLaunched in 2017, GPO technologies is a small Tallinn, Estonia-based IoT development company. Their team focuses on IoT development and Custom Software Development.Read More
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1691$5,000+50 - 249 employeesKaunas, LithuaniaLocated in Kaunas, Lithuania, Onectus is a small software development firm. They focus on custom software development, e-commerce development, mobile app development, IT strategy consulting, and more and were established in 2019.Read More
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Clusco UABIndustries
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1692$10,000+50 - 249 employeesKyiv, UkraineConfidence Technology is a website development firm. Their midsize team is based in Kyiv, Ukraine; Свети Влас, Bulgaria; Dubai, United Arab Emirates and Oslo, Norway and focuses on Web Development, Mobile App Development, E-Commerce Development, Application Testing, and more. The company was launched in 2022.Read More
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1693$50,000+10 - 49 employeesBucurești, RomaniaQTeam Software Solutions is a small custom software development firm. Launched in 2016, the agency is in București, Romania and London, England. Their team provides Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more.Read More
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Greenfly, Inc.Industries
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1694$5,000+10 - 49 employeesKosice, SlovakiaRead More
Located in Kosice, Slovakia, localhost.company is a software engineering firm founded in 2013. Their 20-person team specializes in custom software development, but they can also handle mobile apps. They're similarly proficient in blockchain, UX/UI design, and web development.
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Telekom -
1695$5,000+10 - 49 employeesBeograd, SerbiaRead More
Founded in 2018, Web-ing DOO is an IT company headquartered in Belgrade, Serbia. Their team of 14 provide web development, e-commerce development, custom software development, and mobile app development services to clients.
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Gratuity Solutions -
1696$5,000+10 - 49 employeesSofia, BulgariaSmarch is a Sofia, Bulgaria-based custom software development firm. They provide Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more and were launched in 2018.Read More
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AhviidIndustries
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1697$10,000+2 - 9 employeesCluj-Napoca, RomaniaWebsite development company Snoter is in Cluj-Napoca, Romania and Cluj-Napoca, Romania. The small company was established in 2020. Their services include Web Development, Mobile App Development, Artificial Intelligence, and Blockchain.Read More
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1698$1,000+10 - 49 employeesPoznań, PolandRead More
Proxi.cloud Sp. z o.o. is a marketing agency based in Poznań, Poland founded in 2015. Their team of 12 provides assistance in mobile & app marketing, advertising, and conversion optimization. They mainly focus on the advertising, IT, and GPS, navigation & GIS industries, using programming languages such as Kotlin, Swift, and Ruby.
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QponyIndustries
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1699$1,000+2 - 9 employeesCisie, PolandImperit is a Cisie, Poland-based web development firm. The small agency was launched in 2023. Their team focuses on Web Development, UX/UI Design, Custom Software Development, Mobile App Development, and more.Read More
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1700$5,000+10 - 49 employeesAthina, GreecePavla S.A., a website development company, was established in 2007. The small team specializes in Web Development, Digital Strategy, Search Engine Optimization, Custom Software Development, and more. The agency is headquartered in Athina, Greece.Read More
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1701$1,000+10 - 49 employeesSofia, BulgariaRead More
IoT development company ThingsLog is based in Sofia, Bulgaria. Founded in 2013, the small team provides IoT development, IT managed services, web development, mobile app development, and more.
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1702$1,000+10 - 49 employeesPiła, PolandShock IT sp. Z o.o. Is a custom software development firm located in Pila, Poland. Launched in 2019, the small team provides custom software development, web development, mobile app development, web design, and more.Read More
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1703$5,000+10 - 49 employeesKyiv, UkraineBranding firm Speka Agency was established in 2022. The small Kyiv, Ukraine-based team focuses on branding, web design, web development, and mobile app development.Read More
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1704$10,000+10 - 49 employeesCluj-Napoca, RomaniaLocated in Florești, Romania, Siteclick is an IT strategy consulting company. The small team specializes in IT strategy consulting, search engine optimization, IT managed services, mobile app development, and more and was launched in 2021.Read More
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1705$50,000+10 - 49 employeesKraków, PolandRead More
Luxdone is a development team based in Krakow, Poland. They have a team of around 10 employees and were founded in 2015. Their services include web development and custom software development.
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TeamtailorIndustries
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1706$50,000+10 - 49 employeesBucurești, RomaniaRead More
Team Extension is a nearshoring and offshoring technology company based in Bucharest, Romania. The company, founded in 2016, has more than 60 employees that specialize in hiring mobile app, web, and e-commerce developers for various companies, from startups to Fortune 500 companies.
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1707$10,000+50 - 249 employeesBanská Bystrica, SlovakiaBased in Banská Bystrica, Slovakia and Bratislava, Slovakia, SCR is an user experience agency. The agency offers UX/UI Design, Custom Software Development, Digital Engineering, Web Development, and more and is midsize.The agency was launched in 2013.Read More
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1708$5,000+10 - 49 employeesMaribor, SloveniaRead More
Founded in 2019, Clover is a development firm. Their team is based in Maribor, Slovenia, with an additional office in Ljubljana, Slovenia. They focus on e-commerce, web, and mobile app development.
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Bar MediaIndustries
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1709Undisclosed50 - 249 employeesGdańsk, PolandMoonmana is a mobile application development company headquartered in Gdańsk, Poland. Founded in 2008, the team provides Mobile App Development and Graphic Design.Read More
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1710$5,000+10 - 49 employeesRīga, LatviaRead More
DEGO is a web services development agency based in Riga, Latvia with an additional office in Moscow. Founded in 2005, DEGO has fewer than ten employees, and provides e-commerce development, UX/UI design, web development, and mobile app development capabilities to small and midmarket businesses.
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Jaguar XEIndustries
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