Designed and developed a cross-platform mobile fitness app featuring an intelligent AI coaching system. Key Features: • AI Motion Tracking: Integrated MonoMotion for real-time pose estimation via the smartphone camera. • Real-Time Feedback: Automated coaching based on processed motion data. • UI/UX: Highly responsive Flutter interface for iOS/Android. • Backend: Scalable NestJS & MongoDB architecture with n8n automated workflows to handle AI processing.