STRONK: A Workout Tracker
Gym Log With Rest Timer
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Log workouts offline, keep your screen on between sets, and track reps, weight, and rest time without clutter.
Track your workouts fast, offline, and without clutter.
STRONK is a private workout tracker for logging sets, reps, weight, timed exercises, and rest periods. It is built for people who want a simple gym log that works quickly and keeps their data on their device.
Why people use STRONK:
• Optional "Keep Screen On" mode, so you don't have to unlock phone in between sets
• Copy your workout as text, so you can ask AI for suggestions and analysis
• Log sets, reps, weight, and timed exercises
• Use a built-in rest timer
• Reuse past workouts as templates
• View workout history and summaries
• Track workouts at home or in the gym with optimal research-backed suggested workout templates
• Works offline
• Privacy-first: your data stays on your device
Built for simple strength training:
Whether you lift with barbells, dumbbells, machines, cables, or bands, STRONK helps you record what you did and keep your training organized.
Need help or have feedback?
support@cosmometrics.com
Updated "Slide to Finish" slider UI to support iOS 27
Added exercise animations, to show how to do the exercises visually
The developer, Cosmometrics, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Cosmometrics LLC
- Size
- 3.1 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Cosmometrics LLC