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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1831$10,000+50 - 249 employeesWrocław, PolandRead More
In Wrocław, Poland, Thaumatec is an IoT development company. The midsize team focuses on IoT development, custom software development, Artificial Intelligence, and mobile app development and was established in 2014.
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1832$5,000+Freelancer employeesŁódź, PolandRead More
Zils is an IT company based in Łódź, Poland. The company, founded in 2020, is the freelance enterprise of Artur Duszynski who provides web development, custom software development, mobile app development, and wearable app development services to small companies in the IT, business services, gaming, and gambling industries.
Clients
PentesterIndustries
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1833$1,000+10 - 49 employeesNiš, SerbiaGRAVITYCODE is an app development firm. Launched in 2016, their team provides Mobile App Development.Read More
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1834$5,000+10 - 49 employeesNiš, SerbiaHypercube is a mobile app development company. Located in Niš, Serbia, the firm provides Mobile App Development and UX/UI Design.Read More
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1835$5,000+10 - 49 employeesWarszawa, PolandRead More
Rebased is a software development firm based in Warsaw, Poland. Founded in 2011, Rebased has 27 employees, and they specialize in JavaScript and Ruby on Rails. Their services include custom software development, e-commerce development, and web and mobile applications for both client-facing and enterprise management solutions.
Clients
Large e-commerce site integrated with external ERP system.Industries
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1836$5,000+10 - 49 employeesVinnytsia, UkraineAYA Software is a website development company located in Vinnytsia, Ukraine and Antwerpen, Belgium. Their services include Web Development and Mobile App Development.Read More
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1837$5,000+2 - 9 employeesZagreb, CroatiaCustom software development company Turing Studio was founded in 2022. The small team offers Custom Software Development, IT staff augmentation, AR/VR development, Mobile App Development, and more. The firm is located in Zagreb, Croatia.Read More
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1838$5,000+2 - 9 employeesBeograd, SerbiaRead More
Hefes Technology Group is a software development company headquartered in Belgrade, Serbia. Founded in 2020 and with a team of about 5 people, they offer custom software development as well as website and mobile app development.
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Expertico AG -
1839$1,000+2 - 9 employeesKarlovac, CroatiaWebsite development company Atekatu was launched in 2022. The small Karlovac, Croatia-based team offers web development, ux/ui design, and mobile app development.Read More
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1840$1,000+2 - 9 employeesL'viv, UkraineZeer.agency is a small branding firm established in 2024. Their team specializes in Branding, Web Design, UX/UI Design, Web Development, and more. The firm is in L'viv, Ukraine.Read More
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1841$1,000+2 - 9 employeesChișinău, MoldovaSolterprise is a small social media marketing company. They offer Social Media Marketing, Search Engine Optimization, Web Development, Mobile App Development, and more and were established in 2025.Read More
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1842$5,000+10 - 49 employeesKyiv, UkraineIPublisher is a software development firm established in 2011. The small team focuses on Custom Software Development and Mobile App Development.Read More
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EnergyIndustries
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1843$5,000+10 - 49 employeesVarna, BulgariaIn-HouseTeam is an app development firm. They were founded in 2005, and their services include Mobile App Development and Web Development.Read More
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1844$10,000+10 - 49 employeesWarszawa, PolandCaemcore, a custom software development company, is based in Warszawa, Poland. The agency provides Custom Software Development, Application Management & Support, API Development, Mobile App Development, and more and has a small team.The agency was established in 2025.Read More
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1845$10,000+10 - 49 employeesL'viv, UkraineNoble.codes, a software development firm, is based in L'viv, Ukraine. They specialize in Custom Software Development, Web Development, ERP consulting and SI, IT staff augmentation, and more and were launched in 2018.Read More
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1846$1,000+2 - 9 employeesRadomsko, PolandRead More
Softwarepark, a web design company, was established in 2016. Located in Radomsko, Poland, their small team focuses on web design, ux/ui design, web development, product design, and more.
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1847$10,000+10 - 49 employeesLviv, UkraineRead More
CodeSeek, a web development company, was established in 2020. They are in Lviv, Ukraine and have a small team. CodeSeek provides web development, custom software development, and application testing.
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1848$10,000+10 - 49 employeesSofia, BulgariaMobile app development firm DigiMark offers Mobile App Development. They are in Sofia, Bulgaria.Read More
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1849Undisclosed50 - 249 employeesKyiv, UkraineTouristl is a midsize AR/VR development and mobile application development firm in Kyiv, Ukraine. Their services include AR/VR development and Mobile App Development.Read More
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1850$1,000+10 - 49 employeesGjakovë, KosovoVorbulla LLC is a web development firm launched in 2014. They are located in Gjakovë, Kosovo and have a small team. Their services include web development, branding, search engine optimization, pay per click, and more.Read More
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1851Undisclosed10 - 49 employeesWrocław, PolandAppformation is a small mobile app development company. They offer Mobile App Development and Web Design and were established in 2014.Read More
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1852$1,000+10 - 49 employeesL'viv, UkraineLinvelo, a web development firm, was founded in 2022. The company specializes in web development, mobile app development, AR/VR development, IoT development, and more and has a small team. The company is based in Lingen (Ems), Germany and L'viv, Ukraine.Read More
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1853$10,000+1,000 - 9,999 employeesKyiv, UkraineLaunched in 2019, IOT WEB LAB, LLC is an application development company. The team specializes in Mobile App Development and Web Development and is in Kyiv, Ukraine and Dnipropetrovs'k, Ukraine.Read More
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1854Undisclosed10 - 49 employeesTallinn, EstoniaRead More
42 Coffee Cups is an offshore development team specializing in Python and Django development for web and mobile platforms. Founded in 2007, the relatively small agency has just over ten developers working out of their offices in Tallinn, Estonia and Atlanta, Georgia. 42 Coffee Cups leverages a diverse technology stack to create professional, engaging web solutions and native apps for iOS and Android. From consumer-facing interfaces to complex business data solutions, the team offers affordable, dependable options for offshore development.
Clients
UCSC -
1855$25,000+50 - 249 employeesTallinn, EstoniaAbz.agency® is a custom software development company. They focus on Custom Software Development, API Development, Web Development, and Mobile App Development and were established in 2005. Their midsize team is Tallinn, Estonia-based.Read More
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ColectikIndustries
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1856$5,000+10 - 49 employeesKharkiv, UkraineRead More
Founded in 2010, JOrange is a development firm. Their team of around 10 employees is based in Kharkiv, Ukraine. They focus on web development, UI/UX design, and e-commerce development.
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Own the Looks -
1857$10,000+10 - 49 employeesSarajevo, Bosnia and HerzegovinaRead More
Founded in 2009, Everett Consulting is a development firm based in Sarajevo, Bosnia and Herzegovina. Their team of 30+ specializes in custom software development, web development, mobile app development, and BI & big data consulting.
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3Discovered LLC -
1858Undisclosed50 - 249 employeesRzeszów, PolandRead More
OPGK Software is a software development company founded in 2011. Based in Rzeszów, Poland, they have a team of 13 employees that specialize in custom software development, cloud consulting and SI, and AI.
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interia -
1859$10,000+10 - 49 employeesЛьвів, UkraineRead More
Altigee is a cloud consulting firm based in Lviv, Ukraine. Their team of 40 serves clients in the financial service and healthcare sectors. Services include custom software and web development.
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1860$5,000+10 - 49 employeesWarszawa, PolandRead More
Radgost Web Lab is a software development company founded in 2003 and located in Warsaw, Poland. Composed of a team of fewer than 30 individuals, the company offers primarily web, custom software, and mobile app development services.
Clients
Carrefour Poland
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