Top 10 Fitness App Development Companies in Eastern Europe (2025 Rankings)

Alexey Porubay
Tech Journalist
June 20, 2025
5 min read

Table of Contents

Eastern Europe has established itself as a powerhouse in mobile app development, with Poland, Ukraine, and Romania leading the way. In 2025, the region is home to highly skilled companies offering innovative, cost-effective, and scalable fitness app solutions.
This list ranks the top 10 fitness app development companies in Eastern Europe that can help you build your next standout digital product.

If you'd prefer to skip detailed descriptions and go straight to the ranking table, you can jump directly to the full comparison below.

Jump to the Comparison Table

Zfort Group

Zfort Group is a global fitness app development company with over 20 years of experience. They support fitness brands across Eastern Europe with full-cycle development, including AI, wearables, and post-launch analytics.
Their team brings deep expertise in mobile, UX, and backend systems for digital fitness products.

Employees: 250–300
Hourly Rate: $50–$99/hr
Location: Eastern Europe

LeanCode

LeanCode, based in Warsaw, Poland, delivers premium cross-platform fitness apps. Known for excellent UX and stable code, they serve startups and enterprises with speed and precision.

Employees: 50–249
Hourly Rate: $50–$99/hr
Location: Warsaw, Poland

JS Software Solutions

Gdańsk-based JS Software Solutions builds flexible and affordable mobile solutions. Their fitness app projects integrate low-code tools, SEO, and strategic development services.

Employees: 10–49
Hourly Rate: $25–$49/hr
Location: Gdańsk, Poland

Sigma Software Group

Sigma Software is a large-scale IT company from Lviv, Ukraine. With enterprise-level capabilities, they build complex mobile apps and digital ecosystems for fitness and wellness brands globally.

Employees: 1,000–9,999
Hourly Rate: $50–$99/hr
Location: Lviv, Ukraine

Empat

Empat is a product development company from Kyiv, focused on intuitive mobile app experiences. Their team designs and develops sleek, modern fitness apps from scratch.

Employees: 50–249
Hourly Rate: $50–$99/hr
Location: Kyiv, Ukraine

ROCKETECH

ROCKETECH provides end-to-end mobile and web development from Kyiv. Their strong UI/UX and backend services make them a go-to choice for fitness platforms needing flexibility and speed.

Employees: 50–249
Hourly Rate: $25–$49/hr
Location: Kyiv, Ukraine

INC SOFT

Based in Lviv, INC SOFT delivers mobile, web, and custom software development for fitness startups. Their lean team supports small and mid-sized brands with fast, clean delivery.

Employees: 10–49
Hourly Rate: $25–$49/hr
Location: Lviv, Ukraine

Suto Games

Suto Games creates hybrid fitness and entertainment apps with AR/VR and blockchain components. Based in Kyiv, they offer a fresh perspective for gamified and interactive mobile experiences.

Employees: 10–49
Hourly Rate: $25–$49/hr
Location: Kyiv, Ukraine

Stempora

Stempora, located in Iași, Romania, delivers premium mobile and web fitness apps. Their high-end development approach is ideal for wellness brands needing custom-built platforms.

Employees: 10–49
Hourly Rate: $100–$149/hr
Location: Iași, Romania

GDM Webmedia

GDM Webmedia, based in Bucharest, Romania, specializes in mobile and e-commerce development. Their flexible team supports fitness companies with tailored, design-forward solutions.

Employees: 10–49
Hourly Rate: $50–$99/hr
Location: Bucharest, Romania

Conclusion

Eastern Europe offers a wealth of mobile app talent for the fitness industry. Whether you need advanced functionality, rapid prototyping, or enterprise scalability, this region has a trusted partner to meet your goals.

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