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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271$25,000+10 - 49 employeesRzeszów, PolandAtmosphere Apps, a custom software development firm, is headquartered in Gainesville, Florida and Rzeszów, Poland. The small agency was founded in 2001. Their team specializes in Custom Software Development, Web Development, Mobile App Development, IT managed services, and more.Read More
Clients
Zimmer Biomet F.A. Davis Family Practice Notebook UF HealthIndustries
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272Undisclosed50 - 249 employeesBucurești, RomaniaRead More
Founded in 2004, Roweb Development is a software development company headquartered in Bucharest, Romania. They also have four other locations in Romania and a team of 110 employees who offer custom software development, web development, mobile app development, web design, and UX/UI design services.
Clients
Porsche BankIndustries
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273$10,000+50 - 249 employeesBucurești, RomaniaRead More
IT strategy consulting company QUALITANCE was established in 2007. They are headquartered in București, Romania and have a midsize team. Their services include IT strategy consulting, ux/ui design, IT staff augmentation, custom software development, and more.
Clients
BCR Erste BankIndustries
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274$10,000+10 - 49 employeesSofia, BulgariaLexis Solutions is a software development firm launched in 2017. The firm offers Custom Software Development, Web Development, AI Consulting, Mobile App Development, and more and has a small team. The firm is in Sofia, Bulgaria; Los Angeles, California and Berlin, Germany.Read More
Clients
Onnoplus.com Kreston Bulmar Reviewhero.io Inoreader.comIndustries
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275$10,000+50 - 249 employeesKatowice, PolandRead More
Netizens is a software house based in Katowice, Poland. They were founded in 1999 and have 50 employees. Along with IoT development, they also specialize in custom software, mobile app, and web development. They mostly work with midmarket clients in the business services, consumer products, and advertising industries.
Clients
SamsungIndustries
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276$5,000+50 - 249 employeesBoryspil', UkraineLaunched in 2017, 26 Lines Of Code is a custom software development company. The agency specializes in Custom Software Development, API Development, Web Development, Mobile App Development, and more and has a midsize team.Read More
Clients
RainaMusic RxPhoto Intuceo PBMSourceIndustries
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277$10,000+50 - 249 employeesTallinn, EstoniaChudovo is a software development company. They are in Castrop-Rauxel, Germany; London , England; Tallinn, Estonia and Kalispell, Montana and have a midsize team that provides Custom Software Development, Mobile App Development, Web Development, Enterprise App Modernization, and more. The company was established in 2006.Read More
Clients
Hoffman-La Roche, Royal Bank of Scotland, Saphera, Corizon Health, Evonik, TP-Link, Nexans, FDP-Bundestagsfraktion, berlinappcompany GmbH, Barcodes Inc., Pixabit-Solutions, Infocom, UkrPromBank, RBC SoftIndustries
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278$10,000+50 - 249 employeesKraków, PolandIT staff augmentation company Incode Group is located in Kraków, Poland. The midsize team specializes in IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more and was launched in 2023.Read More
Clients
ProprHomeIndustries
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279$100,000+50 - 249 employeesIași, RomaniaRead More
OCEANOBE TECHNOLOGY is a custom software development company headquartered in Iași, Romania. The small team specializes in custom software development, mobile app development, web development, and application testing. The company was founded in 2017.
Industries
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280$10,000+10 - 49 employeesNiš, SerbiaRead More
Naissus technologies is a software engineering company based in Niš, Serbia with a team of over 10 members. Since 2009, they have offered their services in custom software, web, and mobile app development for clients in the fields of financial services, IT services, and others.
Clients
GBIIndustries
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281$10,000+10 - 49 employeesRzeszów, PolandRead More
Based in Rzeszów, Poland and founded in 2015, HUSPIi is a software development and IT consulting firm with an additional location in Kiev, Ukraine. Their team 17 specializes in custom software development, IT strategy consulting, UX/UI design, and web development for small businesses. Their clients typically lie in the financial services, health care, government, and gaming industry categories.
Clients
UN Women & HeForShe InitiativeIndustries
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282$10,000+10 - 49 employeesKyiv, UkraineRead More
Antagosoft is a web and mobile application development company founded in 2010. They have a team of nearly 20 employees who also provide blockchain, technical support, and consulting services. They tailor their solutions to startups, marketplaces, and digital agencies.
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HumanityIndustries
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283$10,000+10 - 49 employeesWarszawa, PolandHeadquartered in Portland, Maine and Warszawa, Poland, Freeport Metrics is a Generative AI company. The agency specializes in Generative AI, Custom Software Development, Web Development, Mobile App Development, and more and is small.The agency was founded in 2009.Read More
Industries
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284$5,000+10 - 49 employeesPoltava, UkraineRead More
In Poltava, Ukraine, Aleannlab is a small web development company. Launched in 2015, the team offers web development and mobile app development.
Industries
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285$25,000+50 - 249 employeesL'viv, UkraineRead More
DotCode is a design and development company based in Lviv, Ukraine, and founded in 2018. Their team of more than 10 provides web development, web design, and e-commerce development solutions for clients in the fields of hospitality, advertising, and financial services.
Clients
Ply LCM Digital Fly Jets ThriveIndustries
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286$25,000+50 - 249 employeesKharkiv, UkraineIn Fort Lee, New Jersey; New York, New York and Kharkiv, Ukraine, Langate Software is a midsize software development company. They specialize in Custom Software Development, Artificial Intelligence, AI Agents, Web Development, and more and were launched in 2001.Read More
Clients
Approved Admissions rater8 Bunddler Accessing Patient Data Through Smart GlassesIndustries
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287$10,000+50 - 249 employeesL'viv, UkraineRead More
ElifTech is a global technology service company based in Ukraine with an office in Wilmington, Del. The agency was established in 2015 and employs a team of nearly 40 development specialists. Their services include web, IoT, and custom software development for mainly small businesses in the manufacturing, transportation, and healthcare industries.
Clients
Class WalletIndustries
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288$5,000+50 - 249 employeesL'viv, UkraineRead More
UX company Fivecube Agency was founded in 2016. The firm provides UX/UI Design, Web Development, Mobile App Development, Web Design, and more and has a midsize team. The firm is located in L'viv, Ukraine and Kraków, Poland.
Clients
HYCMIndustries
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289$25,000+10 - 49 employeesWrocław, PolandEstablished in 2020, BrainForge IT: Software & Consulting is a small mobile app development company. Their services include Mobile App Development, Web Development, IT strategy consulting, Custom Software Development, and more. The firm is based in Wrocław, Poland.Read More
Clients
FurgonetkaIndustries
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290$10,000+50 - 249 employeesWrocław, PolandMonterail, a custom software development firm, was founded in 2010. They are located in Wrocław, Poland and have a midsize team. Their services include Custom Software Development, Web Design, Web Development, Mobile App Development, and more.Read More
Clients
Polaroid Merck DocPlanner EYIndustries
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291$5,000+10 - 49 employeesTârgu Mureș, RomaniaRead More
Established in 2014, APPFORTE is a mobile application development firm. They are located in Târgu Mureș, Romania and have a small team. The company provides mobile app development and web development.
Clients
SuperchargeIndustries
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292$10,000+50 - 249 employeesWarszawa, PolandYojji LTD is a website development firm launched in 2017. The midsize Warszawa, Poland-based team specializes in Web Development, Mobile App Development, Custom Software Development, Other Application Development, and more.Read More
Clients
Valapay LTDIndustries
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293$50,000+50 - 249 employeesNovi Sad, SerbiaRead More
ZESIUM is a development company in Novi Sad, Serbia, that was founded in 2003. ZESIUM's team of 42 employees specializes in mobile app development, custom software development, and web development.
Clients
Schneider Electric DMS (FRA)Industries
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294$10,000+10 - 49 employeesBratislava, SlovakiaRead More
PLATFORM, based out of San Francisco, CA, is a UX/UI agency that also engages in web and mobile app development. The majority of their clients are small businesses, though they work with enterprise and midmarket businesses as well. PLATFORM has done projects in advertising, financial services, information technology, and real estate, among others.
Clients
SpotifyIndustries
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295Undisclosed1,000 - 9,999 employeesL'viv, UkraineRoom 8 Group, an app development firm, was founded in 2011. They specializes in Mobile App Development and Custom Software Development.Read More
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296$10,000+50 - 249 employeesKyiv, UkraineRead More
TemaBit is an IT company based in Kyiv, Ukraine with more than 50 employees. Founded in 2017, they specialize in custom software, web, and mobile app development solutions for various clients.
Clients
U&Sluno, a.s. -
297$50,000+50 - 249 employeesCluj-Napoca, RomaniaAscentCore is an artificial intelligence company. They are based in Herndon, Virginia; Cluj-Napoca, Romania and Timișoara, Romania and have a midsize team that provides Artificial Intelligence, Custom Software Development, Mobile App Development, and Web Development. The firm was founded in 2017.Read More
Industries
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298$10,000+50 - 249 employeesBratislava, SlovakiaRead More
Logamic is a midsize IT staff augmentation company headquartered in Bratislava, Slovakia. Founded in 2012, the team provides IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more.
Clients
Raiffaisen Bank International AGIndustries
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299$10,000+10 - 49 employeesWarszawa, PolandNeontri is a mobile application development company. Located in Warszawa, Poland, their small team provides Mobile App Development, Custom Software Development, Artificial Intelligence, Generative AI, and more. The firm was founded in 2013.Read More
Industries
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300$10,000+10 - 49 employeesTartu, EstoniaRead More
Mobi Lab is an Estonia-based mobile design and development agency that specializes in AR/VR development, UX/UI design, mobile app development, custom software development, and application management and support. Mobi Lab was founded in 2001 and now has a team of fewer than 50 employees dedicated to creating superior mobile, virtual, and augmented reality experiences.
Clients
eBuryIndustries
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