Contact HRV4Training

Contact HRV4Training Support


Company Name:

About: 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.


 
  2026-02-28

HRV4Training Customer Service 💢

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NOTE: If the links below doesn't work for you, Please go directly to the Homepage of A.S.M.A. B.V.



Verified email ✔✔

E-Mail: [email protected]

Website: 🌍 Visit HRV4Training Website

Privacy Policy: http://www.hrv4training.com/privacy--terms.html

Developer: A.S.M.A. B.V.




Privacy & Terms:

https://marcoaltini.substack.com/p/the-ultimate-guide-to-heart-rate



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3 Most reported problems 😔💔

3.6 out of 5

Disappointing $10

2026-02-03

by SydneyBristowSuperSpy

They sensor on the Apple watch has been proven to be accurate. (Yet no watch integration) A cardiologist actually laughed at the fact that this app uses a camera. We measured simple heart rate and found this app to be extremely off base. If it uses heart rate as a measurement in the hrv calculations, but it can’t accurately measure that, then how can they claim any accuracy at all?

I appreciate the response. Maybe it would be helpful to inform users before they buy the app that to get a true measurement, you need to have a Bluetooth monitor. Also I will add that I did not say anything about the health app measuring hrv. I just said that when i discusses it with my cardiologist, the cardiologist and I checked the heart rate before and after a stress test on my watch and then tried the hrv app with the camera. HRV4Training was very inaccurate. (If I can’t get an accurate bpm from your app (it was generally at least 20 bpm or more off while measuring with optimal connection) then how can it be trusted to measure R-R intervals?

Difficult to use, never seems to work

2026-02-04

by Thomatically

I have an Apple Watch and use both workouts and the Strava app. I’ve experimented with only using Strava to try and get this app to give any useful data, to no end. Giving up on it. Not user friendly, resulting in no useful data.

Point in case - the volume of responses to user complaints in the app reviews. They speak to the flawed app design. It shouldn’t require myriad personalized responses. If the app was clearly designed to communicate intent and method, it would be clear that you need additional equipment, that they’re unable to use the Apple Watch because of API restrictions, and that this requires readings to be done in a specific and consistent way (best I can piece together).

The frustration and research necessary to successfully use this tool are simply too high for many users. The developers seem to understand the science they’re working with, but not how to effectively communicate about it.

Grossly inadequate - Not worth the money(yet)

2026-02-05

by Paulnotes

After about two weeks of using this app, I feel I have wasted my money too soon and I wish I could have my money back!

This app is not worth $9.99 for the following reasons:
- Data presentation is not great. You only see one number which is emphasised, however, it doesn’t seem to reflect recovery in real life for me. If you want to see other data like resting heart rate or other calculated parameters, you have to see them in the graph only. At least two or three main parameters can be presented on the main screen.

- Most of the other features are not of use. For example, I do not use Strava premium or Training peaks. So it doesn’t use heart rate data to calculate Training load as Suffer score or TSS is not available. I would at least expect TRIMP to be calculated. All I get is Training load with Distance/Duration!!!

- You cannot take snapshot HRV readings. You can take only one reading and save it.

The app seems to be limited in potential as of now. I would really be happy if I could have my money back.




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