apps / 686923970
HRV4Training
Health & Fitness
A.S.M.A. B.V. · Health & Fitness · $9.99 · US storefront
- rating
- 3.6 ★
- ratings
- 290
- updated
- Sep 23, 2026
- released
- Aug 14, 2013
v8.6.5
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…
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{ "tool": "app", "arguments": { "appId": 686923970, "countries": [ "US" ], "subtitle": true } }
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