Free
Rating summary
About
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.
Show more
+1
What's New in Protocol For Business
1.1.2
October 28, 2026
Your percentile score may have changed! We switched our reference data from an Irish study of 9,431 people to an American research paper of 1,232 people. We also now allow resuming Max Strength Tests if you quit the app during a test!
More
