Interactive 3D muscle map
Rotate between front and back, tap any muscle group, and instantly see every exercise that targets it.
3D fitness companion
Build the
Build the
body you train.
Tap a muscle on the interactive 3D body map and Gym Trainer surfaces the exact exercises to hit it. Run guided sessions, time your rest, and watch your streaks, volume and personal records climb.
No account required · No ads · Your data stays on your device.
850+
Exercises
5
Languages
3D
Muscle map
0·
Data collected
What's inside
Everything you need to train with intent.
From muscle to movement to measurable progress — Gym Trainer keeps the whole loop in one focused app.
Smart routines
Filter by Push, Pull, Legs or Full Body and build sessions that match the way you actually split your week.
Guided sessions & rest timer
Log sets and weights as you go, with a wall-clock rest timer and optional audio cues so you never lose your rhythm.
Progress & personal records
Track streaks, weekly volume and per-exercise PRs so every session builds on the last.
kg / lb & light/dark
Switch units on the fly and pick the theme that suits your gym lighting — your preferences, your way.
Private by design
No account, no ads, no tracking. Your workout history, records and settings live on your device — not in the cloud.
See it in action
A look inside Gym Trainer.
From the interactive muscle map to live session tracking — here's the app on your phone.
Speaks your language
A full exercise catalog in five languages.
Every exercise — name, instructions and muscle targets — is translated and verified, end to end.
🇬🇧 English
🇪🇸 Español
🇫🇷 Français
🇵🇹 Português
🇷🇺 Русский
Privacy
Read the full Privacy Policy →
Your training data never leaves your phone.
Gym Trainer doesn't ask you to sign up, doesn't run ads, and doesn't track you. Workouts, personal records and settings are stored locally on your device. The app only ever downloads the public exercise catalog — it never uploads anything about you.
Credits
Visit Free Exercise DB →
Standing on open shoulders.
Gym Trainer's exercise library is powered by the wonderful Free Exercise DB — an open, public-domain dataset of 800+ exercises with imagery, generously released under the Unlicense. A huge thank-you to its author and contributors for making this resource freely available to the community.
Get started
Ready to train smarter?
Download Gym Trainer and turn your next session into measurable progress.
Download Gym Trainer