Key Features:

1. User Registration & Profiles: Allow users to create profiles, set fitness goals, and track their progress.
2. Custom Workout Plans: Generate personalized workout routines based on user inputs, such as fitness goals, available equipment, and workout duration.
3. Video Demonstrations: Provide video tutorials for each exercise, showing proper form and technique.
4. Workout Tracking: Allow users to log their workouts, including exercises performed, sets, reps, and weights used.
5. Progress Monitoring: Visualize user progress through charts and graphs, tracking metrics like weight, strength, and endurance over time.
6. Apple Health Integration: Sync data with Apple Health to track activity levels, calories burned, and other health metrics.
7. Push Notifications: Send reminders and motivational messages to keep users engaged with their workout plans.
8. Offline Access: Allow users to access their workout plans and log workouts without an internet connection.