Top 100 Mobile App Developers in Eastern Europe
The Best of March 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$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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1682$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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1683$5,000+2 - 9 employeesOpole, PolandWeb design company DEPCORE was established in 2016. The small Opole, Poland-based team provides web design, ux/ui design, web development, mobile app development, and more.Read More
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1684$1,000+10 - 49 employeesTartu, EstoniaRead More
CrewNew.com is a web, software, design, and marketing agency based in London with offices in Tartu, Estonia and Kragujevac, Serbia. The agency, founded in 2006, has a team of more than ten that provides, among others, IT staff augementation, custom software development, and web development services to various companies and institutions.
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1685$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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1686$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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1687$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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1688$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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1689$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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1690$10,000+10 - 49 employeesSzczecin, PolandBlueWave.IT Consulting is an UX company. They are in Szczecin, Poland and have a small team that focuses on UX/UI Design, Custom Software Development, Web Development, Mobile App Development, and more. The firm was established in 2021.Read More
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1691$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.
Clients
Bar MediaIndustries
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1692Undisclosed50 - 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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1693$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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1694$10,000+2 - 9 employeesKraków, PolandBased in Kraków, Poland, VIVA LA GRID - Software house is a small web development company. They specialize in Web Development, IoT development, Mobile App Development, CRM consulting and SI, and more and were established in 2021.Read More
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1695$50,000+10 - 49 employeesSofia, BulgariaWebsite development company Ever Technologies was founded in 2017. Their small team is based in Sofia, Bulgaria. Their services include Web Development, Custom Software Development, E-Commerce Development, and Mobile App Development.Read More
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Nabo As (Norway)Industries
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1696$10,000+10 - 49 employeesWarszawa, PolandOUT OF THE ORDINARY is a mobile app development firm. They provide Mobile App Development and Custom Software Development and are headquartered in Warszawa, Poland.Read More
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1697$25,000+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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1698$10,000+10 - 49 employeesPrishtina, KosovoHatom is a custom software development firm. Launched in 2019, the team provides Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more. Their small company is Prishtina, Kosovo-based.Read More
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1699$10,000+10 - 49 employeesPoznań, PolandRead More
Expansio is a software development company based in Poznań, Poland, and founded in 2016. They have a team of nine employees specializing in custom software development, web development, and IoT development for startups.
Clients
VW Poznań -
1700$10,000+10 - 49 employeesRzeszów, PolandRead More
Founded in 2007, Aberit Interactive Agency & Software is a development firm. Their team of around 5 employees is based in Rzeszów, Poland. They focus on custom software development, web development, and IT consulting.
Clients
KamiÅski&KamiÅski Kancelaria Radców Prawnych, -
1701$50,000+50 - 249 employeesWrocław, PolandRead More
Sigma IT Poland, a software development company, was launched in 2017. They are located in Wrocław, Poland and have a midsize team. Their services include custom software development, web development, IoT development, mobile app development, and more.
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1702$10,000+2 - 9 employeesBucurești, RomaniaLaunched in 2025, One Percenter is a branding agency. They are headquartered in Zollikon, Switzerland and București, Romania and have a small team. Their services include Branding, UX/UI Design, Corporate Photography, Web Development, and more.Read More
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1703$1,000+250 - 999 employeesKyiv, UkraineRead More
SoftGroup is a midsize software development firm in Rivne, Ukraine. Launched in 2012, the team provides custom software development, web development, mobile app development, wearable app development, and more.
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1704$10,000+10 - 49 employeesChernivtsi, UkraineRead More
Bizico is a UX/UI design firm based in Chernivtsi, Ukraine. Founded in 2009, their team of 30 serves clients in the IT and education sectors. Services include iOS/Android, C#, Swift, and ASP.NET development.
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1705$25,000+10 - 49 employeesPrague , Czech RepublicRead More
Solvers is a small custom software development firm based in Dublin, Ireland; Prague , Czech Republic and Toronto, Canada. The team offers custom software development, ux/ui design, mobile app development, product design, and more.
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1706$5,000+2 - 9 employeesAthina, GreeceFuse Web B.V. Is a custom software development firm. They are located in Den Haag, Netherlands and Athina, Greece and have a small team. Their services include Custom Software Development, Web Development, Mobile App Development, and Application Testing.Read More
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1707$10,000+10 - 49 employeesL'viv, UkraineRead More
Reebl is a website development firm established in 2019. Their small team is based in L'viv, Ukraine. Their services include web development, business consulting, mobile app development, and ux/ui design.
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1708Undisclosed50 - 249 employeesKharkiv, UkraineRead More
Launched in 2008, Yael Acceptic is a midsize website development company based in Kharkiv, Ukraine and Kyiv, Ukraine. Their services include web development, Artificial Intelligence, IoT development, mobile app development, and more.
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1709$50,000+50 - 249 employeesBeograd, SerbiaRead More
Hooloovoo is a development company based in Belgrade, Serbia. Their team of about 50 employees has been serving enterprise businesses since 2014. Services include BI & big data consulting, as well as custom software, web, and mobile app development.
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Kindred Group Plc -
1710$5,000+2 - 9 employeesBudapest, HungaryRead More
Web development company Everprove Solutions was founded in 2019. They are located in Budapest, Hungary and Székesfehérvár, Hungary and have a small team. Their services include web development, mobile app development, e-commerce development, custom software development, and more.
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