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Fitness App Development Company

TWS (Team Work Spirit) is a fitness app development company that builds workout, coaching, nutrition, and gym management apps for fitness brands and clubs, plus coaches and studios.

less admin work
45%less admin work
faster workout planning
3×faster workout planning
fewer missed sessions
60%fewer missed sessions
member access
24/7member access

Trusted by Forward-Thinking Companies

Fitness App Development Services

Pick the product you need. One team builds and tests it, then supports it after release.

Fitness Software Development with AI and Wearables

We add AI advisers and meal planners, plus wearable and IoT connections, where they help your users and your teams most. We scope each feature with you and test it before release.

  • AI-Powered Personal Trainers

    Deliver personalized workout recommendations based on fitness goals, training history, activity levels, and user progress.

  • Smart Nutrition and Meal Planning

    Generate tailored meal plans, suggest recipes, and track daily calorie and nutrient intake.

  • Wearable Device Integration

    Connect Apple Watch, Fitbit, Garmin, and other wearables to collect activity, heart rate, sleep, and workout data.

  • AI Workout Optimization

    Adjust training plans based on performance data, recovery patterns, and individual progress.

  • Automated Fitness Analytics

    Generate progress reports, visualize performance trends, and help coaches monitor multiple clients.

  • AI Fitness Assistants

    Provide instant answers to training questions, explain exercises, and guide users through their fitness routines.

  • Smart Gym Management

    Automate class scheduling, membership management, bookings, and member notifications.

Ready to bring AI and connected fitness technology into your business?

Talk to our engineers about AI fitness development

Results from Our Fitness Work

  • ZIVA Fitness Nation: the platform for Europe's biggest fitness community

    Fitness experts and studio operators use ZIVA every day. TWS built its communication platform and e-commerce software, with an online shop, an exercise tutorials library, a performance tracking system, and a community for enthusiasts, with a built-in search engine. A team of 10 worked on it for 1.5 years.

What Our Clients Say

  • They've always engaged as an embedded part of our team and never as a separate entity with extra barriers to communication... TWS is our great long-term partner.
    Chuck GossVP of Engineering, Kizen Technologies Inc
  • Oleksandr is a very knowledgeable developer. He has worked well with our team and is good at communicating and helping us solve problems. We look forward to working with him in the future.
    Jacob NemetzFounder & CEO
  • The TWS team did an excellent job in consulting with us on DevOps strategies as well as driving strategy implementation to completion in a very timely manner. The team is very professional.
    Jude NwokoCTO, Okada Books
  • I found Oleksii to be very knowledgeable and reliable. We always know what we would get with him and when we would get it. Oleksii was available to discuss decisions and present options to us.
    Tal PerryFounder, LightTag
  • Oleksandr and his team helped with our work in a timely manner, provided excellent communication, adherence to deadlines, and went above and beyond the scope of the project.
    Marcus ArkanFounder & CEO
  • Oleksandr has a great work ethic and very good communication skills. He took some very complex ideas and programmed them out for us with excellent quality. He is very responsible and responsive.
    Joel TherienCEO
  • I had the pleasure of working and learning with them. They were dependable and reliable to go above and beyond expectations when needed to get the required work complete.
    Melissa CohoeProject Manager
  • Oleksii really knows everything that is required to get the job done. Several times during the contract he was given short notice about problems that we were experiencing and with super speed in each case he responded.
    Andrew BlakeFounder & CEO

What You Get with TWS Fitness App Development

  1. A clear development plan before you invest.

    Our engineers review your fitness app idea, identify technical challenges, and prioritize essential features to avoid unnecessary costs and development delays.

  2. Experienced fitness app developers on your team.

    Work with engineers who understand fitness platforms, workout tracking, coaching functionality, wearable integrations, and gym management systems.

  3. Consistent experiences across devices.

    We develop and test fitness apps for iOS, Android, and web, with synchronized user profiles, workout history, progress tracking, and activity data.

  4. Higher member engagement and monetization opportunities.

    We implement personalized workout plans, gamification, progress rewards, subscriptions, premium memberships, and in-app purchases to help grow your fitness business.

  5. Seamless integration with fitness technology.

    Connect your app with wearable devices, smart gym equipment, payment gateways, nutrition databases, and third-party fitness services.

How a Fitness App Development Project Runs

  1. Review

    An engineer runs risk and business analysis and checks your requirements.

  2. Design

    UX/UI and architecture, with wireframes and prototypes.

  3. Build

    An MVP first, then full engineering and third-party integrations, plus QA.

  4. Run

    Cloud services, plus maintenance and support after each release.

Choose How We Work with You

  • Fixed Price

    Your scope is defined, your requirements are locked, and you know the feature list going in. We quote it once and deliver it.

  • Time & Material

    For agile, long-term projects where requirements shift as you learn. You pay for the hours and effort your team actually uses.

  • Dedicated Team

    A hand-picked engineering unit that plugs into your in-house department and runs on your rules, your standards, your schedule.

  • Managed Services

    Priced by the number of servers we manage, or by hourly rate for "as a Service" support. Pick the plan that matches your tech stack and your budget.

Ready to turn your fitness app idea into reality?

Discuss your fitness app idea

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