Companion app to the Protocol Grip Trainer, a grip trainer device which uses Bluetooth to record workouts to your phone.
Discover how strong your grip is!
Perform structured workouts to strengthen your grip!
Track your progress!
Updated on
May 29, 2026
Health & Fitness
Data safety
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Health and fitness
This app may collect these data types
Personal info, Health and fitness, and App info and performance
Data is encrypted in transit
You can request that data be deleted
See details
What’s new
Noted what the app is waiting for on the loading screen!