Misleading as hell.
Doesn’t work on ChatGPT and you need developer mode which is not included in plus.
Free
In-App Purchases
About
Log your gym sets efficiently with this AI-powered workout tracker. Plan routines, track reps, weight, and time, and manage rest periods with on-wrist Apple Watch support. Explore a vast exercise library and visualize your progress.
✓AI-native workout tracking
✓Apple Watch integration
✓Rest timer with Lock Screen notifications
✓Library of 400+ exercises
✓Progress charts and session history
✓Optional AI Connection subscription
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What's New in Simple Muscle
1.1.3
September 24, 2026
Connect Simple Muscle to ChatGPT directly from Settings. You can also reorder or remove exercises during a workout without changing your saved routine.
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Subscriptions & In-App Purchases
Simple Muscle Monthly Plan
Monthly subscription for Simple Muscle
$4.991 Month
User reviews
FAQ
What is Simple Muscle?
Simple Muscle is an AI-native workout tracker designed to help you log your gym sets efficiently. It offers features like rep, weight, and time tracking, a rest timer, and an extensive exercise library.
Can I use Simple Muscle on my Apple Watch?
Yes, Simple Muscle fully supports Apple Watch, allowing you to track your workouts exercise by exercise directly from your wrist without needing your iPhone.
Is Simple Muscle free to use?
The core workout tracker functionality of Simple Muscle is free and works offline. This includes creating workouts, accessing the exercise library, and reviewing your session history.
What are the subscription options for Simple Muscle?
Simple Muscle offers an optional AI Connection subscription that allows integration with AI assistants like ChatGPT for workout planning and analysis. Subscription plans include a monthly option for $4.99 and a yearly option for $49.99.
Does Simple Muscle have ads?
No, Simple Muscle does not contain advertisements. The app is free for its core features, with optional paid subscriptions for advanced AI integration.
How often is Simple Muscle updated?
Simple Muscle was last updated on August 23, 2026, with version 1.1.0. This indicates a recent update, suggesting ongoing development and support.
Can I sync my workout data with Apple Health?
Yes, Simple Muscle offers an optional feature to save completed workouts to Apple Health, integrating your training data into your overall activity history.
What is the age rating for Simple Muscle?
Simple Muscle has an age rating of 12+, making it suitable for teenagers and adults interested in fitness tracking.
