SmartGym

What is SmartGym?

SmartGym is an AI-powered workout app for iPhone, iPad, Mac, and Apple Watch. It builds personalized workout programs around your goals, equipment, and schedule, then adapts as you get stronger. It features 730+ animated exercises, 130+ professionally designed workouts, an AI Smart Trainer, and detailed progress tracking. SmartGym was named Apple Watch App of the Year 2023 and was an Apple Design Award Finalist in 2024.

Is SmartGym free?

SmartGym is free to download with a powerful set of features from day one. Ready for the full experience? Subscribe to unlock every premium feature. New subscribers get a 7-day free trial, giving you complete, unrestricted access before your plan kicks in.

How does SmartGym's AI Smart Trainer work?

SmartGym's AI Smart Trainer analyzes your workout history, tracks your progression curves, and understands muscle group recovery, training volume, and progressive overload. After each workout session, it learns from your actual performance and adjusts weights, reps, and exercises accordingly. It builds a program that evolves with you rather than following a static template.

Is Smart Trainer real-time and dynamic?

Yes. After every workout, Smart Trainer reads your performance and updates your routine with smarter suggestions: heavier weight, more reps, an exercise swap when something isn't working. The progression is continuous. Then, when the data shows you've reached the right moment (a plateau, the end of a training block, a shift in your goals), Smart Trainer rewrites your entire program with brand new routines and exercises. This is periodization, the framework defined by the NSCA as the theoretical framework for developing a training program through planning sequential blocks of training to maximi

Why doesn't Smart Trainer give me a brand new workout every time?

Because the research is clear that random variation hurts results. A 2022 systematic review by Schoenfeld and colleagues concluded that some degree of systematic variation seems to enhance regional hypertrophic adaptations and maximize dynamic strength, whereas excessive, random variation may compromise muscular gains. Strength is built through progressive overload, the principle Thomas DeLorme established in 1945. Progressive overload requires you to perform the same exercises consistently so you can measure progress and add load over time. Smart Trainer keeps your routine consistent so you c

How does Smart Trainer evolve my training?

Smart Trainer follows the periodization model recommended by the NSCA and ACSM. After every workout, it analyzes your performance, recovery, and progression curves, then updates your routine: more weight, more reps, an exercise swap if something isn't working. Your program improves continuously across each training block. When the data shows a natural transition point (a plateau, the end of a mesocycle, a shift in your goals), Smart Trainer rewrites the entire program with brand new routines and exercises. This is the systematic variation the research supports, not the random rotation that stu

Does SmartGym work on Apple Watch without an iPhone?

Yes, SmartGym runs completely independently on Apple Watch. It does not require an iPhone nearby or an internet connection to function. You can access your full workout routine, log sets, track progress, and use the AI Smart Trainer entirely from your wrist. Everything syncs automatically when you reconnect.

What devices does SmartGym support?

SmartGym is available on iPhone (iOS), iPad (iPadOS), Mac (macOS), and Apple Watch (watchOS). All devices sync seamlessly. Changes made on one device are automatically reflected across all others.