Crashes
Unusable
指が火傷しそうで計測できません
iPhoneのカメラ部分が熱くなりすぎてまともに計測できません。
Works perfectly
Not sure why other peeps cannot use it, works perfectly for me with all the features as described. Got it in the package with all the other apps! Marco has really good tips on his blog, insightful!
Doesn’t work
I wanted to try resonance breathing. Saw this on Reddit.
This app doesn’t work at all.
Save your $10. Use another app like Elite HRV or Optimal HRV.
This app doesn’t work at all.
Save your $10. Use another app like Elite HRV or Optimal HRV.
heart rate varies wildly
the heart rate isn't recorded accurately. it dropped from 80 to 30 for about a minute and then up 120. i checked it against my apple watch which had me at a steady 80-85. happy to change the review if i'm missing something in how i'm holding my finger over the camera
