Precision HRV Hack 3.0 + Redeem Codes

PrecisionHRV is a smart app that measure heart rate variability. The measurement will be done thanks to photoplestismography methodology developed in several scientific studies using the phone camera.
Measurements allowed by PrecisionHRV:
- Heart rate
- Heart rate variability (HRV)

Note:
This app cannot substitute a medical diagnosis. Only your doctor can make a diagnosis. Do not take any medication without a medical advice.