Case Study PulseFit Pro – AI-Powered Personal Fitness & Nutrition Coach (UK)
Mobile App Development
Verified Production Architecture
Project Overview
PulseFit Pro is an interactive wellness mobile app developed for a health and fitness startup in London, UK. It delivers automated real-time workout posture correction and dynamic macro meal recommendations.
Client & Location
PulseFit Technologies Ltd
Location: London, UK
Industry: Fitness & Digital Health
Challenges
- High subscriber churn rate typical of static workout apps without personalized feedback.
- Complex on-device machine learning pose tracking without draining smartphone battery.
- Synchronizing bidirectional biometric data with Apple HealthKit and Google Health Connect.
Solution
Constructed a React Native application utilizing TensorFlow Lite on-device pose estimation models for real-time repetition counting, integrated with Apple Health, Google Fit, and Stripe subscription monetization.
Technologies Used
- React Native & TypeScript
- TensorFlow Lite Mobile Edge Runtime
- Apple HealthKit & Google Health Connect APIs
- Stripe Mobile In-App Subscriptions
Results & Business Impact
- Surpassed 140,000 active app store downloads within 9 months of launch.
- Achieved a 4.8-star rating with over 3,500 reviews on both App Store and Google Play.
- Monthly recurring subscription revenue increased by 310% year-over-year.
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