Meet Dr. Muscle: The World's First AI 'Pocket Personal Trainer'

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.

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Smarter. Smoother. Faster. Be The First To Try The New Dr. Muscle

Meet Dr. Muscle X: The Future of AI Personal Training. Early Preview Now Open.

App updates (2016 – today) 3 min read

Smart Training. Simplified. Dr. Muscle Coming to Apple Watch.

Power meets simplicity. Innovation meets iron. Right on your wrist.

App updates (2016 – today) 2 min read

Muscle Booster Workout App Review: Is It Worth It?

Honest look with pros and cons, screenshots, price, and more

Workout apps 14 min read

Mad Muscles Workout App: Honest Review by Expert

Is Mad Muscles worth it?

Workout apps 12 min read

Rest-Pause Set for Hypertrophy: Benefits, Examples & More

A practical, science-based guide to building muscle faster with rest-pause sets, a technique used by the only bodybuilder to ever beat Arnold Schwarzenegger at the Mr. Olympia

Science 12 min read

I Tried Fitbod for Bodybuilding: Here's What I Really Think

I'm an exercise physiologist and biomechanist—here's my honest review of Fitbod's bodybuilding workouts after trying them

Workout apps 19 min read

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Max Reps for Hypertrophy: The Ultimate Guide

Master hypertrophy training with optimal rep ranges, advanced techniques like max reps and periodization, to achieve maximum muscle growth efficiently.

Hypertrophy Training 6 min read

Hypertrophy for Back? Pro Tips & Examples

Maximize back hypertrophy with expert tips, compound and isolation exercises, and proper nutrition to build strength, posture, and a V-tapered physique.

Hypertrophy Training 7 min read

Fixed: Cannot create custom program

Full release notes (version 3.2508.0420) * Fixed: Cannot create custom program/workout * Fixed: Subscription not recognized in rare cases * Fixed: 5 crashes in rare cases Coming soon * Apple Watch app

App updates (2016 – today) 1 min read

Report AI messages

Full release notes (version 3.2507.2549) * Added: Report wrong or offensive AI message * Added: Web app at https://x.dr-muscle.com/ * Fixed: Workout reloads "randomly" * Fixed: Cannot log in after skipping questions during account creation * Fixed: 2 crashes in rare cases Coming soon * Apple Watch app

App updates (2016 – today) 1 min read

Training for Hypertrophy vs Strength? Pro Tips & Examples

Explore the key differences between hypertrophy and strength training, from workout methods to physiological adaptations, and learn how to design a fitness program tailored to your muscle growth and strength goals.

Hypertrophy Training 9 min read

Arm Hypertrophy: The Ultimate Workout Guide

Build bigger, stronger arms with science-backed arm hypertrophy strategies, effective exercises, and key nutrition tips for maximum muscle growth.

Hypertrophy Training 10 min read