HRV Watch 4+

HRV: Complication and Analysis

Bernhard Hering

Designed for iPhone

    • 1.9 • 8 Ratings
    • $1.99


Your Heart rate variability (HRV) at a glance on your Apple watch and for your IPhone.

Heart rate variability (HRV) is the physiological phenomenon of variation in the time interval between heartbeats. It is measured by the variation in the beat-to-beat interval.
This HRV app provides a way to analyze the HRV SDNN values recorded by the Apple Watch.

Heart rate variability describes the ability of an organism to change the frequency of the heart rhythm. A healthy person constantly adapts the heart rhythm to the current requirements. The number of heart beats per minute is therefore constantly changing, which is a good sign of the organism's ability to adapt.

Researchers at the University of Zaragoza in Spain have shown that the values recorded by the Apple Watch during a session with the Breath app are very accurate. Comparable with professional chest straps.

To filter your own HRV data, this app offers the possibility to display only those HRV values that are recorded during such a session.

The Apple Watch is measuring your HRV Data and writes it to Healthkit.
This app connects with Apple’s Health app to displays the recorded data on a Watch App, a complication and your Iphone.

How to Use:
- ATTENTION: This app only works if you have an Apple Watch Series 3 or later.
- If you want to measure a new value, use the Breath App from Apple.
- To get to most out of your data it is important that you measurement does always take place in the very same situation. For example: "First thing in the morning" before getting up.

What’s New

Version 1.3

- Support new Complications and Widgets
- Bugfix

Ratings and Reviews

1.9 out of 5
8 Ratings

8 Ratings

S. Landa ,


App won’t open it continuously crashes

Developer Response ,

Thank you for your review and sorry to hear that. I am constantly working on the app to improve it.

TWCrew ,

Works well

Supports iOS 14 and Watch Series 6. Wish I could filter by type of reading on the Watch app but still lets me see the info on the go without my phone. Thank you.

Developer Response ,

Thank you so much, glad you like it!

poonacha ,

App crashes!

I downloaded the app. It keeps crashing and does not load.

Developer Response ,

Hi Thanks for your feedback. Do you have HRV Data in your Healthapp?

App Privacy

The developer, Bernhard Hering, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

More By This Developer

Wrist Temperature Analyse
Health & Fitness
Oxygen Saturation
Health & Fitness
VO₂ Max - Cardio Fitness
Health & Fitness
Widget and Watch Altimeter Pro
Watch Compass
Watch Speedometer Pro

You Might Also Like

Cardio Fitness + Widgets
Health & Fitness
Cardio Zones.
Health & Fitness
breatheX Pro
Health & Fitness
DGPPN Kongress 2023
SUMRY - Workout summaries
Health & Fitness
PinkZone Studio Companion
Health & Fitness