Top 100 Mobile App Developers in Eastern Europe

Untitled Kingdom is a development company in Krakow, Poland, founded in 2008. Their team of 25 provides its primarily small and midmarket clients with a host of different services including IoT development, conversion optimization, custom software development, digital strategy, and mobile & app marketing.

Leaware is a digital product studio operating all over Europe, headquartered in Poland, having its offices also in Germany and Finland. Founded in 2010, they have extensive experience in building and developing digital products, based on a well understanding of users' needs. They offer high-quality custom software solutions for startups and companies of various industries.

9Y is a software agency founded in Vienna, Austria with more than 10 experts. Since their founding in 2015, they have provided web development, mobile app development, and UX/UI design solutions for clients in the fields of business services, consumer products, and 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. 

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.

7Devs is a software development company based in Kharkiv, Ukraine. The 24-person team was founded in 2016 and develops websites and mobile apps for small businesses and midmarket companies.

Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.

Innowise Group is a custom software development company based in Warsaw, Poland. With more than 1000 specialists on board and 600 projects completed, they use cutting-edge technologies to transform their client's businesses. They are experts in designing and developing tech solutions that will help your company enhance its processes and increase customer satisfaction, thanks to their 15+ years of experience and extensive expertise. They create custom software to fit your unique requirements in terms of timeline, budget, and use case. They handle every step of the development process, from product concept and development to testing, deployment, and support. In addition to building custom software, we also excel in UX/UI design, IT strategy consulting, and staff augmentation.

Sonder Digital is a mobile app development company based in Vilnius, Lithuania. Founded in 2010, the team of 10 specializes in mobile app development, application management and support, and application testing. They work with small business, midmarket, and enterprise level clientele and focus on the health care, transportation, and eCommerce industries.

DBB Software, a midsize application development firm, is located in Kraków, Poland. Founded in 2020, the team focuses on mobile app development, web development, and custom software development.

IT-Dimension is a software development company based in Santa Monica, California. Founded in 2007 and featuring a team of over 70 professionals, they offer a wide range of services, including custom web, mobile, and desktop application development, UX/UI design, 3D modeling and animation, QA automation, R&D team management, as well as rapid MVP development.

Software Mansion is a custom software development company based in Krakow, Poland. The company, founded in 2012, has more than 50 employees who provide, among others, custom software development, mobile app development, and other application development services to various companies and institutions. 

Appricotsoft (formerly WE-Build) is a boutique software development agency based in Warsaw, Poland, with a team of 4 professionals. Founded in 2017, the company offers startups and large businesses alike web development, web design, and UX/UI design in the fields of business services, e-commerce, and IT. They work with languages such as PHP and JavaScript, and specialize in platforms such as React Native, NodeJS, and AngularJS.

Founded in 2017, Zipper Studios is a development agency headquartered Cluj-Napoca, Romania with a secondary location in Berlin. Their team of 8 provided mobile app development, UX/UI design, and web development for small, IT companies. 

SENLA is a fast-growing software development company in 5 EU locations, founded in 2012. Our team of 600+ certified technical specialists and managers has large expertise in a full-cycle development from BA to maintenance as well as separate services like QA or UX Audit. We have successfully completed over 350 projects in FinTech, Healthcare, Manufacturing and other industries.

Established in 2019, Epix Mobile is a mobile application development firm. They are based in Cluj-Napoca, Romania and have a small team. The agency focuses on mobile app development and ux/ui design.

An'n'Bo - Interface Studio is a studio founded in Rivne, Ukraine in 2017 with no more than 10 experts. They specialize in UX/UI, product, and web design solutions for small and mid-market firms in the fields of IT, consumer products, and business services.

Projectland is a Beograd, Serbia-based website development firm. The small team provides web development, mobile app development, custom software development, e-commerce development, and more. The company was founded in 2015.

Perspective Web Ltd. is a digital design agency that was founded in 2014 and is based in Sofia, Bulgaria. They comprise three employees who offer a range of UX and UI design, mobile app development and custom software development services. They provide market research, visual designs and CMS services for a range of large businesses.

Founded in 2015, Incora is a software development firm that offers web development and custom software development to their mid-market, small business, and enterprise clients in the business services, education, and healthcare industries. Their 50 employees are based out of Lviv.

Whimsy Games is a software company based in Kyiv, Ukraine, and founded in 2018. Their team of no more than 50 offers mobile app development, graphic design, and custom software development solutions for clients in the fields of gaming, gambling, and arts.

Symfa is a Sunny Isles Beach, Florida-based custom software development company. Launched in 2008, the midsize team provides custom software development, Artificial Intelligence, and blockchain.

Adroit Group is a website development firm in Budapest, Hungary. The small team specializes in web development, mobile app development, IT strategy consulting, and IT staff augmentation. The firm was founded in 2019.

Mobile app development company Tetalab was launched in 2018. The small Lviv, Ukraine-based team focuses on mobile app development, custom software development, and IoT development.

Founded in 2018, JetUp Digital is a digital development agency that offers web development, UX/UI design, and mobile app development services to their mid-market, small business, and enterprise clients in the business services, education, and consumer products and services industries. Their 50 employees are based out of Khmelnytskiy, Ukraine.

Floating Dots is a software development company based in Cluj-Napoca, Romania with no more than 50 members. They have offered custom software, web, and mobile app development solutions since their founding in 2014. They work with small and mid-market firms.

ASSIST Software is a software development company. Established in 1992, the midsize agency is headquartered in Suceava, Romania. Their team offers custom software development, web development, ux/ui design, e-commerce development, and more.

Open source contributors as a guarantee of product delivery, 5+ years of technical niche expertise (Angular, React Native, Ionic, Node.js), personal approach, high internal code standards, flexible management, open-minded team. Enjoy your coffee while we’re building your app! We think that every idea is worth spreading - it just needs a special approach and the right people to take care of it. We proved our technical skills and narrow Angular specialization by contribution to open source. Our complete transparency is a guarantee of quality code, resulting in a successful project outcome.

Brights is a digital production agency that's headquartered in Kyiv, Ukraine; they also have an office in Warsaw, Poland. Founded in 2011, Brights has about 43 employees that do web development, mobile app development, and UX/UI design. They serve a range of clients, notably midmarket clients and businesses in the IT, advertising, and e-commerce sectors.  

Riseapps is a design and development agency based in Kharkiv, Ukraine. With around 15 employees, Riseapps provides mobile app development, web design, web development, custom software development and UX/UI design services. Riseapps provides services to clients in the consumer products & services, business services and healthcare & medical fields.