This app transmits heart rate data from an Apple Watch to a compatible iPhone app for display during fitness classes. It shows intensity, training zones, and energy expenditure without needing a chest strap.


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This app transmits heart rate data from an Apple Watch to a compatible iPhone app for display during fitness classes. It shows intensity, training zones, and energy expenditure without needing a chest strap.






This app tracks heart rate for fitness classes, displaying real-time data for multiple users on a large screen to boost motivation. It estimates intensity, energy expenditure, and offers recovery metrics. Compatible with Bluetooth sensors and Apple Watches.