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.
Jump to Most Reviewed Companies
List of the Best Eastern Europe Mobile App Development Companies
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3331Undisclosed50 - 249 employeesBucharest, RomaniaThe Hive is a Tunis, Tunisia-based Application Management & Support company. They specialize in Application Management & Support and Web Development and were founded in 2017.Read More
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3332$10,000+50 - 249 employeesVinnytsia, UkraineEstablished in 2020, iTizzi Custom Software Development is a custom software development company. The team focuses on Custom Software Development and Artificial Intelligence.Read More
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3333$1,000+50 - 249 employeesBudapest, HungaryIT staff augmentation company INSPYRE was established in 2020. The team specializes in IT staff augmentation and Custom Software Development.Read More
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3334$25,000+50 - 249 employeesOdesa, UkraineTring is a software development firm established in 2004. In Mountain View, California and Odesa, Ukraine, the team provides Custom Software Development and Web Development.Read More
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3335Undisclosed50 - 249 employeesWarszawa, PolandIT staff augmentation company 28software is headquartered in Warszawa, Poland and Kyiv, Ukraine. Their services include IT staff augmentation and Web Development.Read More
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3336$1,000+Freelancer employeesWarszawa, PolandMake Automation, a small social media marketing agency, is based in Warszawa, Poland. They specialize in Social Media Marketing, UX/UI Design, Web Development, Mobile App Development, and more and were established in 2024.Read More
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3337$25,000+50 - 249 employeesSofia, BulgariaSoftware Product Group is a custom software development firm. The agency is in Sofia, Bulgaria and Burgas, Bulgaria. Their team specializes in Custom Software Development and Artificial Intelligence.Read More
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3338UndisclosedFreelancer employeesBiałystok, PolandRWWDC is a website development firm headquartered in Białystok, Poland. They specialize in Web Development and Mobile App Development.Read More
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3339$10,000+10 - 49 employeesShlyakh, UkraineEstablished in 2015, IT Outstaffing is an IT staff augmentation company. The agency specializes in IT staff augmentation and Custom Software Development, and is small.Read More
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3340$25,000+10 - 49 employeesNovi Sad, SerbiaWebsite development firm MARS CT Software Solutions focuses on Web Development and Custom Software Development. They are headquartered in Novi Sad, Serbia.Read More
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3341$5,000+10 - 49 employeesL'viv, UkraineSmall AR/VR development company IntreSmARt, is in L'viv, Ukraine and Brovary, Ukraine. Their services include AR/VR development and Mobile App Development.Read More
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3342$5,000+10 - 49 employeesSarajevo, Bosnia and HerzegovinaSaloopo is a website development company based in Sarajevo, Bosnia and Herzegovina. The small team focuses on web development, mobile app development, application testing, enterprise app modernization, and more. The agency was launched in 2021.Read More
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3343Undisclosed10 - 49 employeesROGAŠKA SLATINA, SloveniaITHub is a custom software development firm in ROGAŠKA SLATINA, Slovenia. Their services include Custom Software Development and IT staff augmentation.Read More
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3344$5,000+10 - 49 employeesBudva, MontenegroMARS12 is a web development company. The Warszawa, Poland-based team specializes in Web Development and Mobile App Development.Read More
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3345$10,000+10 - 49 employeesL'viv, UkraineRIA DIrekt is a social media marketing agency launched in 2018. Headquartered in L'viv, Ukraine and London, England, the team provides Social Media Marketing and Mobile App Development.Read More
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3346$25,000+10 - 49 employeesKraków, PolandREMOTE REBELS is a custom software development company. The team provides Custom Software Development and Web Development and is based in Kraków, Poland.Read More
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3347$1,000+10 - 49 employeesL'viv, UkraineWebsite development company Intencio is located in L'viv, Ukraine and Paris, France. They provide Web Development and Custom Software Development.Read More
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3348$5,000+10 - 49 employeesDnipro, UkrainePoly-tech software is a cloud consulting & SI company. Their team is based in Dnipro, Ukraine and offers cloud consulting & SI and Web Development.Read More
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3349$5,000+10 - 49 employeesTallinn, EstoniaSlashDotDash, a branding agency, was founded in 2022. Their small team is headquartered in Berlin, Germany; Tallinn, Estonia; Köln, Germany and London, United Kingdom. The agency specializes in branding, marketing strategy, web design, ux/ui design, and more.Read More
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3350$25,000+10 - 49 employeesPrague, Czech RepublicDeLabs is a custom software development firm. They were established in 2019 and offer Custom Software Development and Artificial Intelligence.Read More
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3351$10,000+10 - 49 employeesNiš, SerbiaCustom software development firm Aleos Digital is based in Niš, Serbia. Their services include Custom Software Development and Web Development.Read More
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3352$5,000+10 - 49 employeesKraków, PolandBlockchain company codefunded focuses on Blockchain and Custom Software Development. They are based in Kraków, Poland.Read More
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3353$1,000+10 - 49 employeesWarszawa, PolandValuerise is a branding agency. The Warszawa, Poland-based team focuses on Branding and Web Development.Read More
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3354$1,000+10 - 49 employeesSarajevo, Bosnia and HerzegovinaSimple Technology Solutions d.o.o. Is an answering service company. Located in Sarajevo, Bosnia and Herzegovina, the team provides Call Center Services and Custom Software Development.Read More
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3355$1,000+10 - 49 employeesKyiv, UkraineVoicerHub, a small AI Agents company, is based in Kyiv, Ukraine. The team focuses on AI Agents and Web Development.Read More
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3356$1,000+10 - 49 employeesVinnytsia, UkrainePeleno Web is a small web development company. Founded in 2026, the team specializes in Web Development and Web Design.Read More
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3357$1,000+10 - 49 employeesChernihiv, UkraineArtificial intelligence company Mirimera is located in Bangkok, Thailand and Chernihiv, Ukraine. Their services include Artificial Intelligence and Custom Software Development.Read More
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3358$1,000+2 - 9 employeesAthina, GreeceSEO Experts in Greece is a SEO company. The Athina, Greece-based team provides Search Engine Optimization and Digital Strategy.Read More
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3359$5,000+2 - 9 employeesKyiv, UkraineRabbitPeepers is a web development company. They are based in Kyiv, Ukraine. Their team offers Web Development and cloud consulting & SI.Read More
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3360Undisclosed2 - 9 employeesBudapest, HungaryAdNovum Hungary Kft. Is an UX agency. Their small team is headquartered in Budapest, Hungary. Their team focuses on UX/UI Design and Mobile App Development.Read More
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