MSCLS: Gym & Workout Tracker
Strength Log & Muscle Heat Map
About
Track your strength training progress with detailed set logging and a visual muscle heat map. See your personal records, build custom routines, and integrate with Apple Health and Strava. Your data stays private on your device.
What's New in MSCLS
1.9.0
October 19, 2026
- Supersets: you can now link two or more exercises to a super set - Exercise search is now fuzzy, making it easier to find the exercises you are looking for!
MoreSubscriptions & In-App Purchases
MSCLS — Monthly
Full access to MSCLS, billed monthly.
FAQ
Does MSCLS have ads?
No, MSCLS is ad-free. The app is free to download and use, with optional in-app purchases for advanced features.
What devices does MSCLS support?
MSCLS is available for iPhone and Apple Watch, allowing for seamless tracking during workouts.
How does MSCLS track muscle engagement?
MSCLS uses an anatomical muscle map that shades each muscle based on how intensely you trained it during your workout. You can view this heat map weekly to see what muscles you've hit and what you might have missed.
Can I track cardio with MSCLS?
Yes, MSCLS allows you to log gym cardio activities like treadmill, rowing, and cycling, including time and distance.
What are the subscription options for MSCLS?
MSCLS offers a monthly subscription for $1.99, which includes a free 1-month trial period. This subscription unlocks features like rest timers and progress charts.
Is my workout data private with MSCLS?
Yes, MSCLS is designed with privacy in mind. No account or login is required, and your workout data is stored locally on your iPhone.
How often is MSCLS updated?
The latest version of MSCLS is 1.9.0, and it was last updated on October 19, 2026. Updates typically bring new features and improvements.
Can I share my workouts from MSCLS?
Yes, you can share your workouts as an image card or as a .fit file. This allows for easy sharing with friends or for use with other fitness platforms.
