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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1801$5,000+10 - 49 employeesMaribor, SloveniaSolve-X is a custom software development company headquartered in Maribor, Slovenia and Maribor, Slovenia. The team focuses on Custom Software Development and Mobile App Development.Read More
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1802$10,000+10 - 49 employeesWarsaw, PolandFUN and MOBILE, an app development firm, specialize in Mobile App Development and Custom Software Development. They were founded in 2006.Read More
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1803$1,000+2 - 9 employeesBudapest, HungaryRelated Code is an application development company. Their team is in Budapest, Hungary. The company offers Mobile App Development and Web Development.Read More
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1804$5,000+10 - 49 employeesTartu, EstoniaSingleton is a mobile application development firm. Headquartered in Tartu, Estonia and Tallinn, Estonia, the company focuses on Mobile App Development and Web Development.Read More
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1805$1,000+2 - 9 employeesKyiv, UkraineItWorksinUA is an application development company established in 2002. The firm offers Mobile App Development and IoT development, and is small.Read More
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1806$1,000+2 - 9 employeesCzęstochowa, PolandNICE CODE, a SEO services firm, was established in 2022. Their small team is based in Częstochowa, Poland. Their services include Search Engine Optimization, UX/UI Design, Web Development, Mobile App Development, and more.Read More
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1807$5,000+10 - 49 employeesPoznań, PolandThinkHumanX, a small branding company, is headquartered in Melbourne, Australia and Poznań, Poland. Launched in 2010, the team specializes in Branding, Digital Strategy, E-Commerce Development, Mobile App Development, and more.Read More
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1808$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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1809$10,000+2 - 9 employeesWarszawa, PolandRead More
Nebulic is a digital innovation house, founded in 2019 and located in Warsaw, Poland. They comprise four employees specializing in AI, machine learning, website technologies, website optimization, and blockchain. They work predominantly with small and midmarket companies in retail, advertising, and arts and entertainment.
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Opera SoftwareIndustries
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1810$5,000+10 - 49 employeesL'viv, UkraineSwipex is a web development company. They provide Web Development, E-Commerce Development, Mobile App Development, and UX/UI Design and were established in 2015. Their small team is located in L'viv, Ukraine.Read More
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1811$5,000+10 - 49 employeesChernihiv, UkraineMirimera is an AI firm launched in 2020. The small team provides Artificial Intelligence, Custom Software Development, Web Development, Mobile App Development, and more. The company is based in Bangkok, Thailand and Chernihiv, Ukraine.Read More
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1812$25,000+10 - 49 employeesZabok, CroatiaLumo Lab is a small web development company. In Zabok, Croatia, the company was established in 2022. Their team specializes in Web Development, Mobile App Development, UX/UI Design, Product Design, and more.Read More
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1813$1,000+2 - 9 employeesKraków, PolandRead More
Busy Beaver Software, a custom software development firm, was founded in 2021. Their small team is located in Kraków, Poland and focuses on custom software development, enterprise app modernization, web development, mobile app development, and more.
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1814$1,000+50 - 249 employeesPoznań, PolandFounded in 2021, DIGITAL-IMAGES sp. Z o.o. Is a web development firm. They are in Poznań, Poland and have a midsize team. The firm offers web development, e-commerce development, custom software development, mobile app development, and more.Read More
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1815$5,000+2 - 9 employeesBucurești, RomaniaContByte is a small București, Romania-based custom software development company. Founded in 2024, the team focuses on Custom Software Development, Web Development, Generative AI, Mobile App Development, and more.Read More
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1816$1,000+10 - 49 employeesKyiv, UkraineDForce is a website development company launched in 2020. Their small team is in Kyiv, Ukraine. Their services include Web Development, Custom Software Development, Web Design, UX/UI Design, and more.Read More
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1817$100,000+10 - 49 employeesKyiv, UkraineKunso is an IT staff augmentation company founded in 2019. Their small team is headquartered in Singapore; Kyiv, Ukraine and Paris, France. Their services include IT staff augmentation, Custom Software Development, Web Development, IT strategy consulting, and more.Read More
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1818$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.
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Large e-commerce site integrated with external ERP system.Industries
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1819$1,000+10 - 49 employeesPlovdiv, BulgariaRead More
Elders Ltd. is a development agency based in Plovdiv, Bulgaria. Their team of over 10 employees serves firms of all sizes in industries such as advertising, IT, media, and e-commerce. Founded in 2016, they offer custom software, mobile app, e-commerce, and wearable app development services.
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MarketVisionIndustries
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1820$1,000+10 - 49 employeesRzeszów, PolandRead More
Investimetric.io is a small web development company. Established in 2018, the team specializes in web development, custom software development, other application development, application management & support, and more. The agency is located in Rzeszów, Poland.
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1821$5,000+10 - 49 employeesOdesa, UkraineRead More
Web development firm AVADA MEDIA is based in Odesa, Ukraine. The small company was established in 2010. Their services include web development, mobile app development, custom software development, application management & support, and more.
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1822$5,000+250 - 999 employeesWarszawa, PolandFlyant is a custom software development firm established in 2010. The firm focuses on Custom Software Development and Application Testing.Read More
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Abbott GazeHealth Arklign HealthHeroIndustries
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1823$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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1824$25,000+10 - 49 employeesPlovdiv, BulgariaRead More
Diadraw, a software development firm, is based in Plovdiv, Bulgaria. The company specializes in custom software development, web development, mobile app development, enterprise app modernization, and more and has a small team.The company was launched in 2012.
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1825$10,000+10 - 49 employeesBrno, Czech RepublicTouch Art is a small mobile app development company headquartered in Brno, Czech Republic. The team focuses on Mobile App Development and UX/UI Design.Read More
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KofiKofiIndustries
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1826$5,000+1,000 - 9,999 employeesCluj-Napoca, RomaniaP3 Digital Services is a mobile application development company. They offer Mobile App Development and Cybersecurity and were established in 1996.Read More
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1827$5,000+2 - 9 employeesWarszawa, PolandRead More
In Warszawa, Poland, e-pi.tech is a small web development company. Established in 2018, the team offers web development and mobile app development.
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1828$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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1829$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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1830$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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