Top 100 Mobile App Developers in Eastern Europe
The Best of November 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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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures is an application development company. Their small team is based in Irvine, California. Their services include Mobile App Development, Custom Software Development, Artificial Intelligence, and Web Development. The company was established in 2017.Read More
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1621$10,000+2 - 9 employeesŽiri, SloveniaDever studio is a web development firm established in 2019. The small team focuses on web development, AR/VR development, custom software development, and mobile app development. The firm is headquartered in Žiri, Slovenia.Read More
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1622$5,000+2 - 9 employeesBucurești, RomaniaAmazing Soft is a mobile application development company. Established in 2016, the small company is based in București, Romania. Their services include Mobile App Development, Custom Software Development, Artificial Intelligence, Branding, and more.Read More
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1623$5,000+2 - 9 employeesArgostoli, GreeceEstablished in 2021, Web Bunch P.C. Is a SEO services firm. They are in Argostoli, Greece and have a small team. The firm offers Search Engine Optimization, UX/UI Design, Web Development, Mobile App Development, and more.Read More
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1624$1,000+50 - 249 employeesTallinn, EstoniaENTRINE is a graphic design agency and video production agency. Launched in 2018, the team provides graphic design and video production. Their midsize firm is Tallinn, Estonia-based.Read More
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1625$5,000+2 - 9 employeesBudapest, HungaryRead More
Webabstract is a UI/UX design agency founded in 2015. They are based in Budapest, Hungary, and have an 11 member team of designers and developers providing robust, comprehensive user experience solutions to a large client base of both domestic and international brands. They have an extensive track record of client success in their primary focuses: UI/UX design and web design.
Clients
Ericsson -
1626$10,000+10 - 49 employeesKyiv, UkraineLaunched in 2020, Pica Trebax Inc is a mobile application development firm. Headquartered in Nashua, New Hampshire and Kyiv, Ukraine, the team provides Mobile App Development and Web Development.Read More
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1627$1,000+10 - 49 employeesPrague, Czech RepublicRead More
Rascasone is a software agency based in Prague with a team of fewer than 10 members. Founded in 2017, the company offers web, mobile app, and e-commerce development for their clients that range from small businesses to large enterprises. They are experienced in using e-commerce systems such as Magento, as well as platforms such as ReactJS and VueJS.
Clients
Dr. Max -
1628$5,000+10 - 49 employeesSofia, BulgariaRead More
Rubber Duck is a website development company based in Sofia, Bulgaria and Plovdiv, Bulgaria. Founded in 2015, the small team specializes in web development, custom software development, ux/ui design, mobile app development, and more.
Industries
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1629$10,000+50 - 249 employeesL'viv, UkraineRead More
Azon5 is a software development company based in Lviv, Ukraine. The company, founded in 2008, has around 50 employees and provides business consulting, logistics & supply chain consulting, warehousing & distribution, web development, mobile app development, other application development, AR/VR development, enterprise app modernization, and custom software development services. Azon5 serves small and midmarket companies and institutions in the consumer products & services, education, financial services, media, and transportation industries.
Clients
NuventoryIndustries
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1630$10,000+50 - 249 employeesVinnytsia, UkrainePlexteq, a custom software development company, was established in 2014. Headquartered in Vinnytsia, Ukraine; Tallinn, Estonia and London, England, their midsize team provides Custom Software Development, Enterprise App Modernization, DevOps Managed Services, BI & big data consulting & SI, and more.Read More
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AVI-SPLIndustries
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1631$10,000+2 - 9 employeesTallinn, EstoniaGPO technologies is a custom software development firm established in 2020. Their services include Custom Software Development and Artificial Intelligence.Read More
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1632$25,000+50 - 249 employeesNovi Sad, SerbiaRead More
Software development company IT Engine was founded in 2011. The small team offers custom software development, mobile app development, web development, web design, and more. The agency is headquartered in Novi Sad, Serbia.
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1633$10,000+50 - 249 employeesWrocław, PolandRead More
SafetyHeads is a Wrocław, Poland-based IoT development company. The midsize team offers IoT development, cybersecurity, web development, mobile app development, and more. The agency was launched in 2019.
Industries
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1634$10,000+10 - 49 employeesTallinn, EstoniaLaunched in 2020, Nasty Rodent Studio is a graphic design company. Headquartered in Tallinn, Estonia, the team specializes in Graphic Design and UX/UI Design.Read More
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1635$10,000+10 - 49 employeesBucharest, RomaniaRead More
Appsmart is a custom software development firm. The small team is in Bucharest, Romania. Their services include custom software development, web development, and mobile app development.
Clients
GlovoIndustries
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1636$10,000+10 - 49 employeesUstroń, PolandRocksoft is an application development company. The small Ustroń, Poland-based company was established in 2013. Their services include Mobile App Development, E-Commerce Development, Artificial Intelligence, UX/UI Design, and more.Read More
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1637$25,000+50 - 249 employeesSofia, BulgariaImperia Online Ltd., a mobile application development company, provides Mobile App Development and Web Development. The company is located in Sofia, Bulgaria.Read More
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1638$50,000+10 - 49 employeesZagreb, CroatiaReactor Studio, an UX agency, is based in Zagreb, Croatia. The firm provides ux/ui design, custom software development, and web development and has a small team.The firm was established in 2015.Read More
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1639$5,000+2 - 9 employeesL'viv, UkraineOwleks is a web development firm established in 2019. Their small team is headquartered in L'viv, Ukraine and provides Web Development, IT staff augmentation, Custom Software Development, and Mobile App Development.Read More
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NeupartIndustries
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1640$10,000+10 - 49 employeesChișinău, MoldovaMit-dev.com is a software development firm located in Chișinău, Moldova. The small team focuses on Custom Software Development, Mobile App Development, Web Development, E-Commerce Development, and more. The firm was launched in 2024.Read More
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1641$5,000+10 - 49 employeesKharkiv, UkraineProjectLinq is an application development company. Established in 2014, the firm is headquartered in Kharkiv, Ukraine and Ukraine. Their services include Mobile App Development and Web Development.Read More
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1642$25,000+10 - 49 employeesKyiv, UkraineRead More
SoftHouse is a software development firm. Their small team is located in Kyiv, Ukraine. The company focuses on custom software development, ux/ui design, CRM consulting and SI, and IT staff augmentation.
Clients
PayPalIndustries
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1643$10,000+10 - 49 employeesKraków, PolandRead More
ESGROUP AG is an agile software house located in Krakow, Poland with a second office in Zürich, Switzerland. The company was founded in 2009 and now has a team of 13 that develops custom software, websites, and web and mobile applications.
Clients
Global banking -
1644$5,000+10 - 49 employeesSarajevo, Bosnia and HerzegovinaRead More
App Impact is a software development company based in Sarajevo, Bosnia and Herzegovina with more than 10 members. Since 2016, they have offered their services in event planning and marketing, web development, and custom software development for small and mid-market firms.
Clients
MicrosoftIndustries
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1645$10,000+10 - 49 employeesДніпро́, UkraineRead More
Qudata, an artificial intelligence firm, was founded in 2020. They are located in Дніпро́, Ukraine and have a small team. Qudata specializes in Artificial Intelligence, custom software development, and other application development.
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1646$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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1647$5,000+250 - 999 employeesBeograd, SerbiaRead More
Quantox Technology is a design and development firm with locations in Belgrade, Novi Sad, Kragujevac, and Niš, Serbia, as well as Santa Monica, Calif. The company was founded in 2006 and now has 140 employees who specialize in web design and mobile app development.
Clients
Internet FuelIndustries
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1648$5,000+50 - 249 employeesRīga, LatviaCorporate Solutions is a Rīga, Latvia-based PR agency. Launched in 2006, the midsize team specializes in public relations, application testing, business consulting, customer service outsourcing, and more.Read More
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1649$5,000+2 - 9 employeesSofia, BulgariaRead More
QualiSage is a custom software development firm. Their small team is located in Sofia, Bulgaria. Their team provides custom software development, mobile app development, enterprise app modernization, web development, and more.
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1650$5,000+10 - 49 employeesL'viv, UkraineMobile application development firm Mountalis is in L'viv, Ukraine. The small company was established in 2022. Their team focuses on Mobile App Development, Custom Software Development, Web Development, UX/UI Design, and more.Read More
Industries
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