I’ve been using the heart rate variability app “Sweet Beat” with my iPhone since October 2015. The app from Sweet Water Health and at this writing is $5.99 from the app store. The app works with a variety of other platforms and devices but my focus is on using it with the iPhone and the Polar H7 heart rate monitor strap. The Sweet Beat app has three types of sessions, Monitor Stress, Heart Rate Recovery, and HRV For Training. As […]
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