AI-Powered Fitness Instructor App with Real-Time Posture Analysis
Building a scalable, subscription-based fitness platform that blends instructor expertise with AI-driven training intelligence.
Project Overview
The client envisioned a modern fitness instructor app that could go beyond basic workout videos. The goal was to empower Pilates and fitness instructors to create structured classes, deliver personalized guidance, and maintain strong engagement with users — all without being physically present.
EvoDynamics Vision partnered with the client to design and develop a cross-platform AI fitness application that merges intuitive mobile UX with advanced AI capabilities such as posture analysis, automated subscriptions, and intelligent chat-based support.
Business & Technical Challenges
The fitness industry is highly competitive, and retention depends heavily on personalization and results. The client faced several challenges:
- • Scaling instructor-led training without losing quality
- • Providing real-time posture correction without live sessions
- • Managing subscriptions across iOS and Android reliably
- • Keeping users engaged outside scheduled classes
- • Building a smooth cross-platform experience with high performance
AI-Driven Fitness Solution Architecture
EvoDynamics Vision architected a robust, scalable solution using React Native, enabling a single codebase for both iOS and Android while maintaining native performance.
Key Functional Capabilities
- • Instructor class creation and scheduling with calendar-based workflows
- • AI-powered posture analysis using TensorFlow Lite for on-device inference
- • Subscription and billing management via RevenueCat
- • AI chat support powered by Dialogflow for instant assistance
- • Smooth animations and transitions using Reanimated and Lottie
Technology Stack
The application was built using a modern, scalable technology stack optimized for performance, AI processing, and long-term growth.
- • React Native with React Navigation
- • Redux & Context API for state management
- • NativeBase / React Native Elements for UI consistency
- • TensorFlow Lite for AI posture detection
- • Dialogflow for conversational AI
- • Node.js & Express backend APIs
- • MongoDB & PostgreSQL for data storage
Results & Business Impact
The AI-powered fitness instructor app successfully transformed how instructors deliver training and how users engage with fitness programs.
- • Enabled instructors to scale personalized training globally
- • Improved workout accuracy through AI posture feedback
- • Increased subscription retention through intelligent engagement
- • Delivered a polished, high-performance cross-platform experience