First Look: Dr. Muscle X New Features & Improvements
Train faster, track smarter, lift anywhere
Train faster, track smarter, lift anywhere
Built by an exercise scientist, updated 50+ times per year—from progressive overload to daily undulating periodization, here's what makes Dr. Muscle the smartest trainer you'll ever have
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
An honest look at MacroFactor and results from 9 users of the app: is it worth it in 2025?
Full release notes (iOS version 4.2607.0708 / Android 2052070708) * Improved: Jumping Jacks use reps instead of a timer * Improved: Home page loading * Fixed: App freeze in rare cases * Fixed: 1 crash in rare cases
Full release notes (iOS version 4.2607.0248 / Android 2052070248) * Improved: Superset flow * Fixed: Custom exercise dialog shown when swapping exercise in rare case * Fixed: 1 crash in rare cases
Full release notes (iOS version 4.2606.2638 / Android 2052062638) * Improved: Popup reliability and responsiveness * Fixed: Cannot open workout in rare cases * Fixed: Navigation after change program * Fixed: 2 crashes in rare cases
Full release notes (iOS version 4.2606.0800 / Android 2052061511) * Fixed: Cannot switch to custom workout * Fixed: Invalid subscription status in rare cases * Fixed: App becomes slow in rare cases
Full release notes (iOS version 4.2605.2842 / Android 2052052842) * Improved: Scrolling responsiveness on workout page * Fixed: Cannot create custom exercises or program * Fixed: Cannot create custom exercises or program * Fixed: Subscription not recognized in a rare case * Fixed: Cannot open workout in rare cases * Fixed: Incorrect recovery between workouts
Same coach. Same science. Now just an email away.
Full release notes (iOS version 4.2605.2124 / Android 2052052124) * Added: Support for 16 KB memory page sizes * Fixed: Cannot create custom exercises in rare cases * Fixed: 3 crashes in rare cases
Full release notes (iOS version 4.2605.0400 / Android 2052050400) * Fixed: Rest recommendation between workouts * Fixed: Rest timer between exercises * Fixed: Custom workouts/exercises not showing up in rare cases * Fixed: 9 crashes in rare cases
Full release notes (iOS version 4.2604.2712 / Android 2052042712) * Improved: Progress stats for cardio exercises * Fixed: Cannot create custom exercises * Fixed: Weights shown instead of band colors in rare cases * Fixed: 1 crash in rare cases
Full release notes (iOS version 4.2604.2030 / Android 2052042030) * Fixed: Countdown timer disappeared * Fixed: 1 crash in rare cases