Companion app to the Protocol Grip Trainer, a grip trainer device which uses Bluetooth to record workouts to your phone.
Let your customers test their grip strength and stability with Protocol Grip Trainer!
You must have a valid transaction ID code to use!
Let your customers test their grip strength with Protocol Grip Trainer!
Updated on
Aug 25, 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