apps / 788460316
Camera Heart Rate Variability
Health & Fitness
A.S.M.A. B.V. · Health & Fitness · $6.99 · US storefront
- rating
- 2.8 ★
- ratings
- 8
- updated
- Oct 8, 2025
- released
- Jan 12, 2014
v5.2
visible word pool · 6 words
title 29/30 chars · subtitle 16/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of Camera Heart Rate Variability's pool that are public — the keyword field is not exposed by any API.
from the listing
Camera Heart Rate Variability is the first app that lets you record, plot and export time and frequency domain Heart Rate Variability Features - without requiring any heart rate monitor. Camera HRV uses a technique called photoplethysmography (PPG for short), which consists in detecting changes in blood volume during a cardiac cycle, by illuminating the skin and measuring changes in light absorption. PPG has become quite a popular non-invasive method for extracting…
latest US reviews
★★★★★
Export Error
When trying to export the data via email after selecting email the app closes by itself and I am not able to export the data. Please help.
— StarsGirl13
★★★★★
Not fully functional, it seems
I get a "HRV not computed due to poor signal quality" with every attempt, no matter what I do. It would help if I had more information about what that message means.
— Craig 55
★★★★★
Stopped working, red circle doesn’t appear
I paid for this and a few months later it just stopped working. I can’t speak to the science behind it but it did work as sold for those months. Low rating is due to how it stopped working and the lack of support to fix. I uninstalled and reinstalled and still not working.…
— CCJayAthens
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