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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121$10,000+10 - 49 employeesNovi Sad, SerbiaApplication development company Crystal Pigeon was founded in 2018. Their small team is in Novi Sad, Serbia and specializes in mobile app development, ux/ui design, and web development.Read More
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122$10,000+250 - 999 employeesWarszawa, PolandInstinctools is a midsize software development company established in 2000. Their team provides Custom Software Development, Artificial Intelligence, BI & big data consulting & SI, Mobile App Development, and more. The company is headquartered in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware.Read More
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Daimler Fujitsu Nostrum SpexAIIndustries
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123$50,000+250 - 999 employeesNovi Sad, SerbiaVega IT is a Novi Sad, Serbia-based custom software development company. Established in 2008, the midsize team offers Custom Software Development, CRM consulting and SI, Mobile App Development, E-Commerce Development, and more.Read More
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Howden Group Arthur D. Little Costa Coffee UniCredit bankIndustries
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124$50,000+250 - 999 employeesTallinn, EstoniaJelvix is a midsize software development company founded in 2011. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, and cloud consulting & SI. The agency is headquartered in Tallinn, Estonia; Kharkiv, Ukraine; Stuttgart, Germany and London, England.Read More
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Tiber Capital GroupIndustries
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125$25,000+1,000 - 9,999 employeesGliwice, PolandRead More
WASKO S.A. is a software development company that was founded in 1988 in Gliwice, Poland. They provide custom software, web, and mobile app development solutions for clients in the fields of business, government, and healthcare services.
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ORANGEIndustries
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126$5,000+50 - 249 employeesKharkiv, UkraineEstablished in 2010, AnvilEight is an AI development company. They are headquartered in Kharkiv, Ukraine and have a midsize team. The agency provides Artificial Intelligence, Web Development, and Mobile App Development.Read More
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United Nations World Food Programme University of Michigan Oxford UniversityIndustries
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127$25,000+10 - 49 employeesBucurești, RomaniaRead More
Adonis Software is a computer software company founded in 2011. Based in Bucharest, Romania, they have a team of 18 employees, specializing in mobile app development, IT strategy consulting, and UX/UI Design. They primarily serve small business and midmarket clients in the financial services and healthcare & medical industries.
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Coca-ColaIndustries
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128$100,000+250 - 999 employeesCluj-Napoca, RomaniaRebelDot is an artificial intelligence firm headquartered in Cluj-Napoca, Romania; Oradea, Romania and København, Denmark. The midsize team provides Artificial Intelligence, AI Consulting, UX/UI Design, Web Development, and more and was established in 2018.Read More
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LautecIndustries
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129$25,000+50 - 249 employeesPlovdiv, BulgariaRead More
New Line Technologies is a Kharkiv, Ukraine-based software development firm. The midsize agency was established in 2009. Their services include Custom Software Development, IT strategy consulting, Web Development, Mobile App Development, and more.
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Cinamaker – Real-Time Multimedia, United States RegentFE – FinTech, United Kingdom Evan-Moor – Education and E-Learning, United States Kuva – FinTech, United KingdomIndustries
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130$25,000+50 - 249 employeesŽilina, SlovakiaApp development company GoodRequest was launched in 2013. The midsize team specializes in Mobile App Development, UX/UI Design, Custom Software Development, Web Development, and more. The agency is headquartered in Žilina, Slovakia; Bratislava, Slovakia and Košice, Slovakia.Read More
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Tatra banka by Raiffeisen Bank International Notino BENU Czech Republic member of the PHOENIX group ZSE Energia, part of the German energy group E.ONIndustries
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131$10,000+10 - 49 employeesKraków, PolandRead More
UIG Studio is a web design and development studio based in Krakow, Poland. Founded in 2013, the team of 17 specializes in UX/UI design, web development, and mobile app development. They work primarily with midmarket and small business level clients, mainly in the business services and education industries.
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Saudi AramcoIndustries
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132$25,000+10 - 49 employeesBucurești, RomaniaHyperSense Software, a small AI Agents company, is located in Schaumburg, Illinois and București, Romania. Launched in 2003, the team specializes in AI Agents, Mobile App Development, UX/UI Design, Web Development, and more.Read More
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SIGNAL IDUNA Orange KORE Group Holdings, Inc. ALD AutomativeIndustries
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133$10,000+50 - 249 employeesWarszawa, PolandLaunched in 2013, Rubyroid Labs is a software development firm. The company focuses on Custom Software Development, Artificial Intelligence, Web Development, Mobile App Development, and more and has a midsize team.Read More
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Volvo, Mastercard, Zeitview, Teachable, Sail Croatia, Volition, Big Purple DotIndustries
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134$10,000+2 - 9 employeesWarszawa, PolandWideFix is a software development firm. Launched in 2014, the small firm is in Warszawa, Poland. Their services include Custom Software Development, Mobile App Development, Web Development, and IT managed services.Read More
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ToptalIndustries
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135$75,000+50 - 249 employeesKyiv, UkraineRead More
Blackbit digital Commerce GmbH is an e-commerce development company founded in 1989. They are located in Göttingen, Germany; Hamburg, Germany; Berlin, Germany and Kyiv, Ukraine and have a midsize team. The firm offers E-Commerce Development, Mobile App Development, Web Development, Content Marketing, and more.
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136$25,000+10 - 49 employeesWarszawa, PolandRead More
mDevelopers is a software house that launched in 2010. Their team is headquartered in Warsaw and has offices in Czestochowa, Poland. They offer web development, UX/UI design, and custom software development.
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BMWIndustries
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137$25,000+250 - 999 employeesWrocław, PolandRead More
Deviniti is a Generative AI company located in Wrocław, Poland; Warszawa, Poland; Berlin, Germany and Vilnius, Lithuania. The midsize firm was established in 2004. Their services include Generative AI, Artificial Intelligence, AI Consulting, Custom Software Development, and more.
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Credit Agricole Bank Polska S.A.Industries
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138$25,000+50 - 249 employeesWarszawa, PolandAirnauts is a midsize software development company. The Warszawa, Poland-based firm was established in 2013. Their team offers Custom Software Development, Mobile App Development, Web Design, UX/UI Design, and more.Read More
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GoogleIndustries
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139$25,000+50 - 249 employeesL'viv, UkraineIT staff augmentation company Newsoft was launched in 2019. Their midsize team is in L'viv, Ukraine. Their services include IT staff augmentation, Custom Software Development, Mobile App Development, E-Commerce Development, and more.Read More
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140$50,000+250 - 999 employeesWarszawa, PolandIT staff augmentation company GLOBALDEV is headquartered in Wilmington, Delaware; Warszawa, Poland; Vinnytsia, Ukraine and Kadima Zoran, Israel. The midsize company was launched in 2011. Their team offers IT staff augmentation, Custom Software Development, Artificial Intelligence, AI Consulting, and more.Read More
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Budget Thuis Gentrack Teva Tyler TechnologiesIndustries
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141$50,000+10 - 49 employeesKyiv, UkraineBoldheart, a mobile application development firm, was founded in 2020. The agency specializes in Mobile App Development, Custom Software Development, UX/UI Design, IT strategy consulting, and more and has a small team. The agency is in Berlin, Germany; München, Germany; Zürich, Switzerland and Wien, Austria.Read More
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ValoraIndustries
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142$25,000+50 - 249 employeesKraków, PolandDBB Software is an AI development company. They are in Kraków, Poland and Dnipro, Ukraine and have a midsize team that specializes in Artificial Intelligence, Custom Software Development, E-Commerce Development, Mobile App Development, and more. The company was launched in 2015.Read More
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JLL Akamai DispatchHealth DoctifyIndustries
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143$10,000+10 - 49 employeesWarszawa, PolandRead More
Proexe is a Warsaw, Poland-based app developer founded in 2010. Their team of 15 specializes in mobile app development, web development, and UX/UI design.
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SamsungIndustries
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144$10,000+1,000 - 9,999 employeesBucurești, RomaniaRead More
Tremend Software Consulting is a software engineering company in Bucharest, Romania; Aliso Viejo, Calif.; and Brasov, Romania. Founded in 2005, they have about 337 employees that serve mostly midmarket and small-business clients in the financial, IT, and telecommunications sectors. Services include IT managed services, custom software development, and e-commerce development.
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OrangeIndustries
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145$25,000+250 - 999 employeesPrague, Czech RepublicRead More
Cleverlance is an information services and technology firm that has offices in Redwood City, Calif., Prague, and Bratislava, Slovakia. Founded in 2000, Cleverlance's team of about 450 employees has nearly two decades of experience in web, software, and mobile app development. The firm primarily works with small business and mid-market clients – as well as a few larger enterprises – in the financial services industry, among others.
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T-MobileIndustries
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146$25,000+10 - 49 employeesNiš, SerbiaEstablished in 2022, Aetherius is an app development firm. The small Niš, Serbia-based team provides Mobile App Development, Custom Software Development, and Artificial Intelligence.Read More
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147$10,000+10 - 49 employeesWarszawa, PolandWhat the Flutter, an application development company, was launched in 2018. The company offers Mobile App Development, Custom Software Development, IT staff augmentation, Enterprise App Modernization, and more and has a small team. The company is located in Tallinn, Estonia; Middletown, Delaware and Warszawa, Poland.Read More
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148$10,000+10 - 49 employeesTallinn, EstoniaRead More
Deviark is an international software company based in Lviv, Ukraine. The company, founded in 2019, has more than ten employees and provides, among others, mobile web development, web development, and SEO services to small companies and institutions.
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Top TechnologiesIndustries
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149$10,000+250 - 999 employeesKyiv, UkraineFounded in 2012, Beetroot AB is an IT staff augmentation company. Their midsize team is headquartered in Stockholm, Sweden; Kyiv, Ukraine; Poznań, Poland and Blagoevgrad, Bulgaria. Their services include IT staff augmentation, Web Development, Mobile App Development, IT strategy consulting, and more.Read More
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Zwapgrid ABIndustries
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150$25,000+50 - 249 employeesBeograd, SerbiaBRIGHTSCOUT, a branding company, was founded in 2017. They are in Austin, Texas; Santa Fe de la Vera Cruz, Argentina; Beograd, Serbia and Gurugram, India and have a midsize team. Their services include Branding, Custom Software Development, Web Design, UX/UI Design, and more.Read More
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