Top 100 Mobile App Developers in Eastern Europe
The Best of May 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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661$10,000+10 - 49 employeesTimișoara, RomaniaRead More
BusyMachines is a software development firm founded in 2011 with offices in Timisoara, Romania, and Hilversum, Netherlands. With a team of about 40 employees, BusyMachines offers services in mobile app development, web development, and custom software development.
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InsignetyIndustries
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662$10,000+10 - 49 employeesCluj-Napoca, RomaniaFloating Dots is a Cluj-Napoca, Romania-based IT staff augmentation company. The small firm was founded in 2017. Their services include IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more.Read More
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Edusoft Neobrain Apperture LayershiftIndustries
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663$10,000+10 - 49 employeesKraków, PolandRead More
Founded in 2012, Core Logic is a digital development agency that offers web development, web design, and mobile app development services to their enterprise, small business, and mid-market clients in the transportation, financial, and business services industries. Their 50 employees are based out of Krakow, Poland.
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Getin Noble Bank SAIndustries
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664Undisclosed10 - 49 employeesOdesa, UkraineRead More
Dowell is a web and mobile app development company located in Odesa, Ukraine. Founded in 2011, they have between 10 and 49 staff specializing in UX and UI design, web and mobile app development and design, graphic design, e-commerce solutions, and motion design. They typically work with small companies in gaming, advertising, and healthcare.
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ZeptoLabIndustries
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665$5,000+50 - 249 employeesWrocław, PolandRead More
The Knights of Unity are a Wroclaw, Poland-based, game development house that specializes in Unity. Founded in 2015, the house's nearly 30 employees work with small businesses and mid-market companies across the gaming industry.
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ZA/UM StudioIndustries
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666$50,000+10 - 49 employeesCluj-Napoca, Romania*exceptfriday, a Marketing Strategy company, was launched in 2017. Headquartered in Cluj-Napoca, Romania, their small team offers Marketing Strategy, Product Marketing, Web Development, Mobile App Development, and more.Read More
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667$5,000+50 - 249 employeesGdańsk, PolandMuteki Group, an AI firm, is in Gdańsk, Poland; Tallinn, Estonia; Tachikawa, Japan and Kharkiv, Ukraine. The midsize team focuses on Artificial Intelligence, Mobile App Development, Web Development, AI Consulting, and more. The company was founded in 2015.Read More
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668Undisclosed10 - 49 employeesVilnius, LithuaniaRead More
Bitsens is a digital agency in Vilnius, Lithuania. Founded in 2012, Bitsens's team of around 10 employees specializes in web design, web development, and mobile app development, primarily for small and enterprise clients.
Clients
UEFAIndustries
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669$10,000+10 - 49 employeesWarszawa, PolandRead More
BrainCode is a digital agency based in Warsaw, Poland, that was established in 2015. Their team of 8 employees provides mobile app development, web development, web design, and UX/UI design services.
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Marketplaces HR TechIndustries
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670$10,000+50 - 249 employeesWrocław, PolandRead More
RST Software Masters is a custom software development house founded in 1998. They have offices in Wroclaw and Swidnica, Poland, where they employ 144 staff specializing in digital solutions and consulting, UX and product design, e-commerce, and custom software creation. RST Software Masters works with international enterprises, as well as small and midmarket companies.
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671$25,000+50 - 249 employeesKharkiv, UkraineRead More
DA-14 is a technology development company founded in 2013 with offices in Estonia and Ukraine. DA-14 is a versatile company that builds high-quality, responsive software for startups and small businesses across the globe. With a team of fewer than 50 employees, DA-14 specializes in custom software development and mobile app development. DA-14 has an extensive background in API development, mean stack, and IT business consulting and uses its expertise to deliver the most effective, profitable solution for each client.
Clients
Mochi -
672$25,000+250 - 999 employeesVarna, BulgariaRead More
Flat Rock Technology is a development agency headquartered in London, with an office in Varna, Bulgaria. Since 2008, their team of 88 has been specializing in custom software development, mobile app development, UX/UI design, and more for mainly midmarket-size clients. They primarily serve clients in the IT, consumer products & services and media industries.
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AudiocodesIndustries
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673$25,000+2 - 9 employeesSosnowiec, PolandRead More
Fluento Mobile Solutions, an application development company, is based in Sosnowiec, Poland. The small team provides mobile app development, ux/ui design, web development, and logo and was launched in 2017.
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674$50,000+50 - 249 employeesDnipro, UkraineRead More
Software engineering firm Archer Software is based in New York. Since the company was founded in 2000, their team has expanded to include 132 employees. Archer Software specializes in custom software development, mobile app development, and IT staff augmentation. Most of their clients are enterprise and midmarket companies.
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SmartlingIndustries
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675$10,000+10 - 49 employeesTallinn, EstoniaLaunched in 2013, ANODA | SAAS UI UX & DEVELOPMENT | TOP CLUTCH 2025 is a Product Design company. The agency provides Product Design, UX/UI Design, Web Development, Web Design, and more and has a small team.Read More
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Neobank Hyundai Easy Group National GeographicIndustries
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676Undisclosed250 - 999 employeesCluj-Napoca, RomaniaRead More
Fortech is software services company based in Cluj Napoca, Romania, with other Romanian offices in Iasi County, Oradea, and Brasov. The company, founded in 2003, has around 800 engineers who provide custom software development, web development, mobile app development, UX/UI design, and application testing services to midmarket and other-sized companies.
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T-Systems -
677$10,000+10 - 49 employeesSofia, BulgariaPerspective Unity Ltd. Is a software development company in Sofia, Bulgaria; Meyrin, Switzerland and Whistler, Canada. Launched in 2014, the small team offers Custom Software Development, CRM consulting and SI, UX/UI Design, and Mobile App Development.Read More
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AT&TIndustries
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678$5,000+10 - 49 employeesKharkiv, UkraineRead More
Software Station is a design and development firm. Their team of around 10 employees is based in Kharkiv, Ukraine. They focus on mobile app development, UI/UX design, and graphic design.
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So Up!Industries
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679$25,000+50 - 249 employeesKharkiv, UkraineRead More
Telesens is a software products and solutions provider based in Kharkiv, Ukraine. The company, founded in 1998, has more than 100 employees and provides mobile app development, UX/UI design, and web development services to midmarket and other-sized companies and institutions in the telecommunications, health care & medical, financial services, e-commerce, and education industries.
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KyivstarIndustries
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680$10,000+10 - 49 employeesWarszawa, PolandFounded in 2018, Demjee is a software development firm. The small Warszawa, Poland-based team provides Custom Software Development, Web Development, Mobile App Development, Web Design, and more.Read More
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681$100,000+50 - 249 employeesŁódź, PolandRead More
HTD Health is a development agency founded in 2016 with their office in Brooklyn. Their team of more than 50 experts provides custom software, web, and mobile app development solutions for clients that work in the industries of health care and consumer products.
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Boston Children's HospitalIndustries
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682$10,000+50 - 249 employeesWarszawa, PolandRead More
spinbits.io is a software agency founded in 2018 in Warsaw, Poland with over 10 experts. They offer e-commerce, web, and mobile app development solutions for small and medium-sized companies in the fields of advertising, e-commerce, and gambling.
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Biggest Payment Operator in EuropeIndustries
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683$25,000+10 - 49 employeesCluj-Napoca, RomaniaSalt & Pepper is an IoT development company. Established in 2016, the small firm is located in Cluj-Napoca, Romania. Their team focuses on IoT development, Custom Software Development, Web Development, Mobile App Development, and more.Read More
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TiRollIndustries
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684$10,000+250 - 999 employeesVilnius, LithuaniaRead More
Baltic Amadeus is a software development company that specializes in custom software development, UX/UI design, and application testing. Established in 1988, the company has nearly 125 employees and is based in Vilnius, Lithuania.
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IBM JTI ConnectPay SEBIndustries
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685$10,000+50 - 249 employeesVinnytsia, UkraineRead More
FlySoft is a custom development company based in Vinnitsa, Ukraine with over 10 experts. They have offered web development, mobile app development, and UX/UI design solutions since their founding in 2017. They work with clients that range from startups to enterprises.
Clients
VakilsearchIndustries
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686$5,000+50 - 249 employeesLviv, UkraineInforce Digital is an IT staff augmentation company founded in 2018. The midsize Lviv, Ukraine-based team offers IT staff augmentation, Web Development, Custom Software Development, Mobile App Development, and more.Read More
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687$10,000+50 - 249 employeesSarajevo, Bosnia and HerzegovinaGaleyo is a software development firm founded in 2011. They are located in Sarajevo, Bosnia and Herzegovina and Hägersten, Sweden and have a midsize team. Their services include Custom Software Development, Web Development, UX/UI Design, IT staff augmentation, and more.Read More
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688$10,000+10 - 49 employeesOlomouc, Czech RepublicRead More
Lucidcircus is a small [company:type] based in New Philadelphia, Pennsylvania. Their services include [company:service_lines].
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689$5,000+50 - 249 employeesWarszawa, PolandRead More
9BITS is a software developer based in Warsaw, Poland. Established in 2009, they have more than 100 employees that cater to small–midmarket clientele. They offer custom software development, mobile app development, and e-commerce development services.
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UnileverIndustries
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690$50,000+50 - 249 employeesKraków, PolandRead More
Smart Mobile House is a mobile agency based in Kraków, Poland. Founded in 2010, their 13 employees provide mobile app development, AI development, custom software development, and enterprise app modernization, among other services. Their clients come from a variety of industries, including telecommunications and manufacturing.
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Orange PolandIndustries
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