Top 100 Mobile App Developers in Eastern Europe
The Best of September 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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871$25,000+10 - 49 employeesKraków, PolandRead More
RIOT is a digital agency located in Krakow, Poland. Since 2016, their team of about 10 work with mainly small and mid-market businesses. They specialize in AI, web development, mobile app development, custom software development, IoT development, and UX/UI design.
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PHILIPSIndustries
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872$5,000+10 - 49 employeesPireas, GreeceRead More
The Design Agency Greece is a 50 person advertising agency with offices based in Nikala and Morocusi, Greece. Founded in 2014, they provide mobile app development, advertising, and web design for enterprise, small and mid-market businesses in the consumer products and e-commerce industries.
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VIBERIndustries
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873$10,000+50 - 249 employeesTallinn, EstoniaOpus Online, a software development company, was launched in 2009. Their midsize team is located in Tallinn, Estonia. The agency specializes in Custom Software Development, Web Development, UX/UI Design, Enterprise App Modernization, and more.Read More
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IBMIndustries
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874$10,000+10 - 49 employeesBanská Bystrica, SlovakiaDigital Solutions Studio is a web development company. They are in Banská Bystrica, Slovakia and have a small team. Their services include Web Development, Custom Software Development, API Development, Web Design, and more. The agency was launched in 2019.Read More
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875$10,000+2 - 9 employeesBudapest, HungaryIT Squad is a small UX design agency. Founded in 2019, the agency is based in Budapest, Hungary. Their services include ux/ui design, web development, mobile app development, Artificial Intelligence, and more.Read More
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876$10,000+10 - 49 employeesBucurești, RomaniaRead More
Krypton Labs is a blockchain company. The small București, Romania-based company was launched in 2020. Their team focuses on blockchain, custom software development, web development, and Artificial Intelligence.
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877$10,000+10 - 49 employeesMikołów, PolandSoftware development firm Webmakers Software was launched in 2008. Their small team is based in Mikołów, Poland and offers Custom Software Development, Web Development, Web Design, and Mobile App Development.Read More
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Santander Consumer Bank Teva Pharmaceuticals Abbvie Adamed PharmaIndustries
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878$5,000+10 - 49 employeesZagreb, CroatiaRead More
Async Labs is a Digital Strategy company. They offer Digital Strategy, UX/UI Design, Custom Software Development, Mobile App Development, and more and were established in 2016. The company is based in Zagreb, Croatia and London, England.
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Law and Technology j.d.o.o. -
879$5,000+10 - 49 employeesPrzemyśl, PolandPlayFusionLabs, a custom software development company, was established in 2023. Their small team is located in Przemyśl, Poland. Their services include Custom Software Development, AR/VR development, Blockchain, Mobile App Development, and more.Read More
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880$50,000+50 - 249 employeesKyiv, UkraineRead More
Nullgravity is a product development and consulting company based in Kiev, Ukraine. Founded in 2015, their team of 35 employees primarily serves enterprise-level clients in the financial, retail, and telecommunications sectors. Their specialties are mobile app development and IT strategy consulting, but they're also proficient in web and e-commerce development.
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VisaIndustries
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881$50,000+50 - 249 employeesBucurești, RomaniaRead More
InCrys is a full-service IT and development agency based in Bucharest, Romania. They were founded in 2000, and have 111 employees that provide staff augmentation, custom software development, IT managed services, strategic consulting, and business intelligence software integration.
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AuchanIndustries
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882$5,000+10 - 49 employeesKyiv, UkraineKifreez is an AR/VR development company established in 2017. The company offers AR/VR development, Web Development, UX/UI Design, Graphic Design, and more and has a small team. The company is in Kyiv, Ukraine and London, England.Read More
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UnicefIndustries
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883$5,000+10 - 49 employeesPoznań, PolandRead More
B-MIND is an interactive production house based in Poznan, Poland, that was established in 2007. Their team of 14 employees provides web development, mobile app development, and web design services to small and mid-market businesses.
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Mercedes Benz PolandIndustries
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884$5,000+10 - 49 employeesKatowice, PolandRead More
Force4 Software House is a software development company. Their small team is headquartered in Katowice, Poland and Warszawa, Poland. Their services include custom software development, web development, mobile app development, and e-commerce development.
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885$5,000+10 - 49 employeesDąbrowa Górnicza, PolandRead More
Recodeit is a web development firm. The small team is based in Dąbrowa Górnicza, Poland. Their services include web development, custom software development, IT staff augmentation, mobile app development, and more.
Clients
Edu GamesIndustries
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886$10,000+10 - 49 employeesKyiv, UkraineRead More
ANVI Digital Agency is a digital agency with fewer than 50 employees, founded in 2001. They are headquartered in Iviv, Ukraine, with offices in Tel Aviv, Israel, and the U.S. They offer services in web development, web design, branding, and wearable app development to all levels of clientele.
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887$5,000+10 - 49 employeesVarna, BulgariaIBoris, a custom software development firm, is located in Varna, Bulgaria and Kalmthout, Belgium. The small agency was established in 2012. Their services include custom software development.Read More
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888$25,000+10 - 49 employeesTimișoara, RomaniaRead More
Sensidev, a website development company, is located in Timișoara, Romania. They offer web development, mobile app development, custom software development, other application development, and more and were established in 2012.
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889$5,000+2 - 9 employeesTimișoara, RomaniaTMZ Software is a mobile application development company. The small Timișoara, Romania-based firm was established in 2021. Their team specializes in Mobile App Development, Custom Software Development, Web Development, and IT staff augmentation.Read More
Clients
Control F5Industries
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890$1,000+2 - 9 employeesPopești-Leordeni, RomaniaRead More
Softpeak is a UX company headquartered in Popești-Leordeni, Romania. The small company was founded in 2022. Their team specializes in ux/ui design, product design, web development, mobile app development, and more.
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891$1,000+2 - 9 employeesKyiv, UkraineRead More
APPSOFT is a software agency based in Kyiv, Ukraine, and founded in 2018. Their team of more than two provides custom software, web, and mobile app development services for small and medium-sized businesses alike.
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AutismTech -
892$25,000+50 - 249 employeesZagreb, CroatiaRead More
Ingemark is a custom software development company located in Boulder, Colo. and Zagreb, Croatia. Founded in 1990, they have 30 employees highly experienced with software development and Cloud consulting for a range of businesses in the arts, hospitality and business sectors. Services include UX and UI design, testing, research, maintenance, and Amazon Web Services.
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New York Genome CenterIndustries
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893$10,000+10 - 49 employeesBiała Podlaska, PolandBased in Biała Podlaska, Poland, ClearMedia Software House is a software development firm. The small agency was established in 2011. Their services include Custom Software Development, Web Development, E-Commerce Development, and Mobile App Development.Read More
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RMH Media Haddad Brands Fressnapf ShaffraIndustries
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894$10,000+2 - 9 employeesKraków, PolandFounded in 2025, JSON Crew is a small custom software development firm. Their services include Custom Software Development, Artificial Intelligence, CRM consulting and SI, Mobile App Development, and more. The agency is in Kraków, Poland.Read More
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KG ElektronikIndustries
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895$5,000+10 - 49 employeesChernivtsi, UkraineBrilliant IT, a Blockchain company, was founded in 2012. The small Chernivtsi, Ukraine-based team specializes in Blockchain, Recruiting, IT staff augmentation, Mobile App Development, and more.Read More
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Goyra GroupIndustries
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896$10,000+2 - 9 employeesL'viv, UkraineEstablished in 2017, ITPenthouse is a software development firm. Their small team is based in L'viv, Ukraine. Their team offers Custom Software Development, Web Development, API Development, Mobile App Development, and more.Read More
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LucidTunesIndustries
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897$50,000+50 - 249 employeesKyiv, UkraineNCube is an IT staff augmentation company founded in 2008. Based in Kyiv, Ukraine; London, England and São Paulo, Brazil, their midsize team focuses on IT staff augmentation, Custom Software Development, Web Development, and Mobile App Development.Read More
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898$50,000+250 - 999 employeesKraków, PolandRead More
CHI Software is a software company with 4 development centers in Ukraine: Kharkiv, Kyiv, Dnipro, Zaporizhia. Founded in 2006, CHI Software now has over 500 employees who specialize in providing solutions for startups and establish businesses, especially in the fintech, insurtech, and banking industries. The services include technological consultancy, product development, dedicated engineering teams, and on-demand staffing. They offer expertise in AI, mobile, web, cloud, IoT, and AR/VR solutions.
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Minespider Banyan Infrastructure Imagine Learning MeetupIndustries
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899$5,000+10 - 49 employeesL'viv, Ukraine5Hz is a website development firm. Launched in 2021, the firm is located in L'viv, Ukraine and Lisboa, Portugal. The small team offers Web Development, E-Commerce Development, Web Design, Blockchain, and more.Read More
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Liquid Flow The Steel Porcupine Atlas Work Khib UAIndustries
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900$10,000+10 - 49 employeesL'viv, UkraineRead More
Redentu is a development agency based in Lviv, Ukraine and founded in 2014. It has about 12 employees. Redentu specializes in web development, UX/UI design, and mobile app development. They primarily work with small businesses and work with a variety of industries including business services, advertising, and consumer products.
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RexpaxIndustries
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