Three minutes. A portrait of your pulse.
Not a medical device. For personal curiosity only, not diagnosis or treatment.
Cover the rear camera and flash gently.
Rest your hand on a table. Cover the rear camera and flash with your fingertip, using a light touch. The whole preview should look red.
This camera has no flash the page can control. Turn on your phone's flashlight yourself (or use a bright lamp), then cover the lens and the light with your fingertip.
Breathe normally. Your three minutes begin when the signal settles.
3:00
Your first brushstroke is on its way.
Hold still while we check the signal.
--bpm
--ms
--ms
Live estimates refresh every second when the signal is clear. RMSSD and SDNN use up to the last minute of accepted beats.
Estimated breathing--
Each stroke follows your measured pulse after its five-second signal check. Deeper pigment means clearer recording quality, not better health.
3-minute recording · Not a medical device