the Fitbit mobile app
Gym Timer Pro provides fast access to different timers during your gym workouts.
It is suitable for non-structured sessions, timing rest intervals or for simple high-intensity training intervals.
The timers can be configured on the website or directly on the watch. The data fields on the screen can be customized and multiple sports can be selected for recording.
To use the app, you must create an account at https://www.geniuswrist.com and a subscription will be required to unlock all app features.
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