apps / 686923970
HRV4Training
Health & Fitness
A.S.M.A. B.V. · Health & Fitness · $9.99 · US storefront
- rating
- 3.6 ★
- ratings
- 288
- updated
- May 25, 2026
- released
- Aug 14, 2013
v8.6.3
visible word pool · 3 words
title 12/30 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 HRV4Training's pool that are public — the keyword field is not exposed by any API.
from the listing
The first scientifically validated Heart Rate Variability (HRV) app. HRV4Training provides HRV based insights to help you quantify stress, better balance training and lifestyle, and improve performance. HRV4Training does not require a heart rate monitor, since it can accurately assess your HRV using the phone's camera. HRV4Training also works with Apple Watch, the Oura ring and all compatible Bluetooth SMART sensors. HRV4Training is also the first app that goes beyond simple…
latest US reviews
★★★★★
Health
I take the Hrv 4 training measurement daily to monitor health status. I appreciate the feedback with the results and guidance regarding the intensity for the day
— Okroadrunner
★★★★★
How to do measurements with newer cameras??! BUYER BEWARE: glitchy
Cool idea but the camera measurement thing seems to work quite poorly with my newer model iPhone. It’s nearly impossible to keep BOTH lenses plus the flash covered for the duration. I would not have purchased the app had I known. Any tips now that the cats out of the bag for this…
— Ggvbau1956
★★★★★
Too expensive and bait and switchy
The interface is mid. I was fine paying the 10 bucks for the app but not disclosed in the purchase is you have to pay another 50 bucks every year just to sync to TrainingPeaks! that’s absurd and total rip off.
— AJL1134
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