HRV Apps: HRV4Training

HRV Yoga uses apps on smart phones to track heart rate variability before, during and after our yoga practice. One of the most complete set of applications for this kind of tracking is found in a bundle developed by Marco Altini. As of today, there are four apps in the bundle showing on the Apple iTunes Preview page for $14.99 (note: the App Store on my iPhone only shows three apps with the “Stressed Out” app being the missing fourth […]

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