Stop guessing why you feel “off.” PulseCheck uses your iPhone camera to measure heart rate and HRV in 60 seconds, helping you understand stress and recovery. Every reading includes Confidence Level, so you know when results may be unreliable. Start free with no account or card. Your health data stays on your device, with no cloud storage. Track heart rate, HRV, stress, recovery, vitals, and lifestyle trends. PulseCheck is not a medical device and does not diagnose, treat, or prevent conditions.