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London stands at the forefront of digital innovation, hosting a myriad of agencies specializing in mobile app development. In 2025, the city offers a diverse array of companies delivering cutting-edge fitness and wellness applications.
From mobile app development to UX/UI design and web solutions, London-based firms provide comprehensive services to help fitness brands thrive in a competitive market.
This list showcases the top 15 fitness app development companies in London. Whether you're launching a new fitness app or enhancing an existing one, these agencies offer the expertise to bring your vision to life.
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 TableZfort Group
Zfort Group is a global fitness app development company with more than 20 years of experience. They help fitness brands in London design and build advanced mobile apps with features like AI, wearable integrations, and advanced analytics.
Their services cover everything from initial strategy to development and post-launch optimization to ensure long-term success for fitness and health products.
- Employees: 250–300
- Hourly Rate: $50–$99/hr
- Location: London, England
Tech Alchemy
Tech Alchemy is a London-based software and mobile app development company. They deliver mobile fitness apps and combine this with strong blockchain and custom software expertise.
Their focus is on building powerful, scalable applications for startups and established brands alike.
- Employees: 50–249
- Hourly Rate: $25–$49/hr
- Location: London, England
Exyte
Exyte is a mobile app development studio in London, specializing in fitness apps and custom mobile solutions. They deliver high-quality applications with minimal time to market.
Their services include mobile app development and low/no-code solutions for rapid prototyping and deployment.
- Employees: 10–49
- Hourly Rate: $50–$99/hr
- Location: London, England
Stakk
Stakk is a London-based digital studio focused on mobile app development for fitness and wellness brands. They also offer AI-powered solutions and strong UX/UI design services.
Their team emphasizes sleek, intuitive app design paired with cutting-edge technologies.
- Employees: 10–49
- Hourly Rate: $50–$99/hr
- Location: London, England
Old.St Labs
Old.St Labs is a product development studio based in London. They specialize in creating mobile apps and custom software for fitness and wellness brands.
Their team delivers well-crafted, high-performance applications designed to engage users and improve customer retention.
- Employees: 10–49
- Hourly Rate: $50–$99/hr
- Location: London, England
Coreblue
Coreblue is a London agency delivering custom software and mobile applications for fitness brands. They offer full-cycle development services with an emphasis on scalable, secure, and high-quality software.
Their experience in both traditional and low-code development environments makes them a flexible partner for digital fitness solutions.
- Employees: 10–49
- Hourly Rate: $100–$149/hr
- Location: London, England
Magora
Magora is a digital development agency in London offering fitness mobile apps, custom software development, AI-driven applications, and web solutions.
They work with startups and enterprise clients to create high-performance digital products with exceptional user experiences.
- Employees: 50–249
- Hourly Rate: $25–$49/hr
- Location: London, England
Fleapo
Fleapo is a digital solutions provider in London specializing in fitness apps, custom software, and AI-powered digital products.
Their team combines development, UX design, and strategy to help fitness brands quickly go from concept to fully operational product.
- Employees: 10–49
- Hourly Rate: $50–$99/hr
- Location: London, England
Emvigo Technologies Ltd
Emvigo Technologies Ltd is a London-based software and mobile app development company serving fitness brands with solutions ranging from mobile apps and web design to e-commerce and cloud consulting.
They are known for providing affordable, scalable solutions for growing fitness businesses.
- Employees: 50–249
- Hourly Rate: $25–$49/hr
- Location: London, England
ACS | AI Powered Web and Mobile Apps
ACS is a London development company specializing in AI-powered mobile and web applications for fitness and wellness brands.
They combine AI consulting, custom software development, and mobile app design to deliver next-gen digital fitness products.
- Employees: 50–249
- Hourly Rate: $25–$49/hr
- Location: London, England
Techanzy Limited
Techanzy Limited is a digital development and design company based in London. They build fitness apps with a focus on user-centered design, AI integrations, and rapid product delivery using low-code technologies.
They also offer services in custom software development and web development.
- Employees: 10–49
- Hourly Rate: $25–$49/hr
- Location: London, England
internetum
internetum is a London agency known for delivering IoT-powered and mobile app solutions for fitness and health startups.
They offer deep technical expertise in mobile development, IoT integrations, and custom software development for smart fitness applications.
- Employees: 10–49
- Hourly Rate: $25–$49/hr
- Location: London, England
SPD Technology
SPD Technology is a global software development company with a strong presence in London. They provide mobile apps, custom software, AI-driven solutions, and IT services for fitness brands seeking enterprise-level reliability and scalability.
- Employees: 250–999
- Hourly Rate: $50–$99/hr
- Location: London, England
CodeLeap
CodeLeap is a modern digital studio in London that helps fitness brands build mobile apps, IoT solutions, and interactive web experiences.
Their services also include AR/VR development, UX/UI design, and AI-powered features for fitness applications.
- Employees: 10–49
- Hourly Rate: $50–$99/hr
- Location: London, England
TopDevs
TopDevs is a development agency in London focused on mobile apps and web development for fitness and health businesses.
They deliver rapid design and development of user-friendly, scalable digital fitness products with strong UX/UI design elements.
- Employees: 10–49
- Hourly Rate: $25–$49/hr
- Location: London, England
Conclusion
London remains one of the world’s most vibrant digital ecosystems for fitness app development in 2025. Whether you choose global players like SPD Technology or boutique studios like CodeLeap and Techanzy, the city offers a full range of expertise and pricing options.
This list highlights the top companies to help you design, develop, and grow your fitness product with confidence.
Want to go deeper? Explore our related guides on:
Top 15 Fitness App Development Companies in London
| Company Name | Hourly Rate | Number of Employees | Location |
|---|---|---|---|
| Zfort Group | $50–$99/hr | 250–300 | London, England |
| Tech Alchemy | $25–$49/hr | 50–249 | London, England |
| Exyte | $50–$99/hr | 10–49 | London, England |
| Stakk | $50–$99/hr | 10–49 | London, England |
| Old.St Labs | $50–$99/hr | 10–49 | London, England |
| Coreblue | $100–$149/hr | 10–49 | London, England |
| Magora | $25–$49/hr | 50–249 | London, England |
| Fleapo | $50–$99/hr | 10–49 | London, England |
| Emvigo Technologies Ltd | $25–$49/hr | 50–249 | London, England |
| ACS | AI Powered Web and Mobile Apps | $25–$49/hr | 50–249 | London, England |
| Techanzy Limited | $25–$49/hr | 10–49 | London, England |
| internetum | $25–$49/hr | 10–49 | London, England |
| SPD Technology | $50–$99/hr | 250–999 | London, England |
| CodeLeap | $50–$99/hr | 10–49 | London, England |
| TopDevs | $25–$49/hr | 10–49 | London, England |
