Main features: AI-powered personalized workout plans including smart workouts (personalized exercise selection, progressive overload optimization, real-time form guidance), intelligent progress tracking (adaptive program adjustment, performance trend analysis, recovery optimization), data analytics (visual progress charts, performance insights, habit correlation analysis), and achievement system (milestone rewards, community challenges, personalized goal setting). Target users: beginners, fitness enthusiasts, and professional athletes across diverse professions (e.g., athletes, retirees, construction workers). Core advantages: highly personalized training, real-time AI feedback and adaptation, data-driven progress tracking, gamified motivation. Workflow: create profile (goals/level/preferences) → AI generates custom plan → execute training with progress tracking (AI dynamically optimizes). Pricing: freemium model with free basic tier (5 AI credits/month) and paid tiers (Pro $19.99/month, Premium $29.99/month) offering expanded AI credits, advanced analytics, nutrition guidance, and priority support.