Everything You Need forFitness Success
What Muscles AI does today: AI-generated workouts, workout tracking, and the Premium tools below.
Core Features
Generate, save and track your workouts
AI Workout Generation
Workouts written by an AI language model from your fitness level, goals, available equipment and any limitations you list.
- Strength, HIIT and conditioning single-session workouts
- Uses only the equipment you list
- Scaling options for each exercise
- Formats such as AMRAP, EMOM and rounds for time
- Free: 3 a month. Premium: no monthly cap (up to 10 a day)
Workout Tracking
Keep your generated workouts and plan when you will do them.
- Save generated workouts
- Schedule workouts on your Muscles calendar
- Export a workout as a PDF
- Browse the exercise library
Progress Analytics
Charts built from the workouts and lifts you log.
- Workout history and training volume
- One-rep max tracking
Premium Features
Included with Premium
Weekly Programs
Generate a week of workouts for 2 to 6 training days a week, following a balanced split.
- One workout per training day
- Saved and scheduled like any other workout
Nutrition Logging
Log what you eat and see your daily totals.
- Calories, protein, carbs, fat and fibre
- Daily totals
Recovery Tracking
Log how you slept and how you feel to get a recovery score you can plan your training around.
- Sleep hours and quality
- Stress, energy and soreness
- Recovery score
Injury Risk Check
Rate your mobility and stability and list past injuries; the AI returns a risk score and suggestions.
- Risk score from your answers
- Exercises to avoid or modify
- Suggested corrective exercises
Progress Photos
Upload progress photos and look back over them by date.
- Photos kept with the date taken
Choose Your Plan
Compare features across all subscription tiers
| Feature | Free | Premium |
|---|---|---|
| AI Workout Generation | 3 / month | No monthly cap (up to 10 a day) |
| Weekly Programs | ✗ | ✓ |
| Progress Tracking | Basic | Advanced |
| Exercise Library | ✓ | ✓ |
| Nutrition Logging | ✗ | ✓ |
| Recovery Tracking | ✗ | ✓ |
| Injury Risk Check | ✗ | ✓ |
| Progress Photos | ✗ | ✓ |