Dr. Muscle vs Dr. Muscle X: What's the Difference?
Same account, two apps. Classic has everything. X is faster. You choose.
Same account, two apps. Classic has everything. X is faster. You choose.
Train faster, track smarter, lift anywhere
Built by an exercise scientist, updated 50+ times per year—from automated progressive overload to daily undulating periodization, here's what makes Dr. Muscle different and better at getting you in top shape fast
6 Months to Rebuild What Took 10 Years—With One Developer and AI
Meet Dr. Muscle X: The Future of AI Personal Training. Early Preview Now Open.
Power meets simplicity. Innovation meets iron. Right on your wrist.
No hype, no gimmick—just science-backed workouts that grow with you using AI
Imagine ChatGPT, but for fitness. Automated yet personal, with expert coaching and workouts unique to you—optimized to get you in shape faster, on autopilot.