apps / 683984776
Heart Rate Variability Logger
Health & Fitness
A.S.M.A. B.V. · Health & Fitness · $9.99 · US storefront
- rating
- 3.6 ★
- ratings
- 18
- updated
- Feb 17, 2026
- released
- Aug 14, 2013
v5.1.4
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 Heart Rate Variability Logger's pool that are public — the keyword field is not exposed by any API.
from the listing
Heart Rate Variability Logger lets you record, plot and export time, frequency and non-linear HRV Features (includes experience sampling, RR-interval correction, DFA alpha 1 for aerobic threshold estimation in real-time, comparison between recordings, activity monitoring & step counting, location tracking). Heart Rate Variability Logger requires a Bluetooth Low Energy (also called Bluetooth Smart or BLE or 4.0) heart rate sensor (we recommend Polar H7 or H10) Main features: -…
latest US reviews
★★★★★
Crashes and No Refund
Bought the app, crashes hard. Never worked, not updated in years, Apple and the greedy developer refused my request for a refund. Stay away!
— Adam 25
★★★★★
Doesn’t work
I just bought the app and it doesn’t work, I would like to have a refund!
— ana7187
★★★★★
No Longer Relevant
The creator of this app, and other physiology researchers, have proven that the DFA Alpha 1 method of determining aerobic threshold (AT) is deeply flawed and cannot provide a reliable indication of AT. I wish I had know this before paying for it. Perhaps the author should make…
— Sparky Fireball
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