Cardiograph Zephyr HXM

The app uses the Zephyr HXM sensor to track heart rate and variability (based on the RMSSD formula).Settings exist to set maximum and minimum sensitivity values for detecting problems. These values should come from a professional. You can configure the app to send a text message to your emergency contact based on these settings.
The app has graphs to view the heart rate, the R-R intervals and the Heart Rate Variability score.
Ideal for an elderly person or anyone at risk of a heart problem and needs monitoring.
Please e-mail me if you notice a bug or want a special feature.