1,083 Exercises in the library
53 Muscles strength-ranked
5 Workout plans for analysis
5 Interactive calculators
$ 0 Free while we build it
// Dashboard
Everything in one glance.
Workout sessions, hydration levels, and nutrition. The full picture of your day on a single widget grid.
Workouts
Initiate a session, track sets, add notes, and more.
Hydration
Track your intake and keep your body hydrated.
Meals
Log your meals and track your macros, calories, and nutrients.
// Planner
Know what you're training.
Every plan maps muscle load across your session: primary movers, synergists, and volume per muscle from EMG-backed models.
// Workouts
Execute the plan.
Initiate a workout session from scratch or from a saved plan and log your sets as you go.
Flexible
RPE or notes per set? Notes per exercise? Duplicate or re-order? Got it all!
Time
Track start and end times, and rest periods between sets.
// Strength
Ranked. Per muscle.
Complete a session and your strength tiers update. One rank per muscle group, adjusted for gender and bodyweight.
Auto-updating
Your ranks recalculate. No manual entry, no spreadsheets.
All-Time & Historical
See your personal-record ceiling, or track progression across months and years.
Five honest tiers
Benchmarked to real data.
BeginnerNoviceIntermediateAdvancedElite
Exercise library
1,083 exercises. Every detail included.
Not just a name and a description. Each entry carries muscle targeting, step-by-step instructions, coaching cues, and video demonstrations where available.
Analytics
A year of progress, always in view.
Color-coded calendar heatmaps make consistency impossible to fake — and progress impossible to miss. Multi-year capable from day one.
Workout, duration & hydration heatmaps
Every day you showed up, rendered as a year at a glance.
Bodyweight & BMI trends
Smoothed trend lines that cut through daily noise.
Volume & frequency leaderboards
See which lifts and muscles you actually prioritize.
Nutrition
Built into the same daily picture.
Build meals from a shared ingredient library, log them in seconds, and watch them flow into the same dashboard and analytics as your training — no separate app, no silo.
Ingredients
A shared library of ingredients to build from.
Meals
Assemble meals from those ingredients and log them fast.
Your day
Logged meals flow into your dashboard and analytics.
The AIO system
Everything feeds back into itself.
Plan
Log
Eat
Analyze
Adjust
Every workout informs your strength profile. Every meal informs your progress. The loop never stops and neither do you.
Built fresh, updated often
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Metamorphosis is designed, built, and maintained by a single developer, updated regularly in pursuit of the best possible experience.
Pricing
Free to use. Support keeps it that way.
We'd rather you use it than pay a subscription, but servers and development aren't free. Support is optional and genuinely appreciated.
Everything, included Create your free account
$0 / month
Full workout tracking
Up to 5 plans for analysis
Automatic strength profiling
1083 exercises in the library with demos
Ingredient-based meal logging, built in
Multi-year analytics & heatmaps
Free for you; not free for us. Support helps cover infrastructure and development. We're grateful for every contribution and it's the main reason we can stay free longer.
Your journey starts today.
Free, data-driven, and built for people who take their health seriously.
Create your free account