Heart rate variability app for Garmin smartwatches
A Garmin app that measures HRV(Heart Rate Variability) in a 3 minute test. Saves the output as a Connect IQ activity.
Link to the Garmin Connect IQ app store.
Results are saved as a Garmin Connect activity category Other named Test HRV:
The summary data is saved under Stats, section Connect IQ:
The extra graphs are shown next to the built-in Garmin graphs: