Get started

To get started with Kubios HRV software, you can first view the video tutorials and screenshots, which illustrate the different features and how to use the software. For a more detailed description of the software see the User’s Guide. The Kubios HRV User’s Guide contains information regarding installation of the software, introduction to heart rate variability and its analysis methods, as well as how to use and take the most out of the software. You may also want to join Kubios HRV forum (a Facebook group) to communicate with other Kubios HRV users.

Screenshots and video tutorials download
Download Kubios HRV User’s Guide download
Join Kubios HRV Forum download

Frequently asked questionsFrequently asked questions

What is the difference between Kubios HRV standard and HRV premium?

Kubios HRV Standard is a freeware for non-commercial research and personal use. HRV Standard computes all standard HRV time-domain and frequency-domain analysis methods, and supports inter-beat-interval data of most common HR monitors (Polar, Suunto and Garmin). HRV Premium is our full-featured HRV analysis software; including support for ECG and PPG data, direct access to your Polar Flow data, ECG derived respiration, extensive HRV analysis parameters, time-varying analysis options, automatic analysis sample generation, and more flexibility in exporting the results. Overall, the HRV Premium is better suited for scientific and other professional use where every detail counts. In addition, the graphs produced by the time-varying analysis options included in the Premium version make it easy to understand how your daily activities, stress and recovery effect HRV. For more details on the two versions see the Kubios HRV User’s Guide.

Supported operating systems?

Kubios HRV (ver. 3.3) was developed using MATLAB 2018b (The MathWorks, Inc.) and was compiled to a deployable standalone application with the Matlab Compiler. The MATLAB Runtime R2018b (ver. 9.5) is required for running Kubios HRV. Therefore you need to download and install both Kubios HRV and the Matlab Runtime (download links will be provided to you by email) in order to be able to run Kubios HRV in your computer. The MATLAB Runtime is freely distributed along with Kubios HRV, and the same Runtime works with Standard and Premium versions of Kubios HRV software. System requirements for running Kubios HRV are similar to those of Matlab (see Kubios runs in Windows (64-bit Win 7 SP1 and 10) and Mac OS X (Sierra, High Sierra, Mojave and Catalina).

What I need to do when upgrading from Standard to Premium version?

When you want to upgrade to our full-featured Premium version, you first need to purchase a license. Once you have a license key, you can download the Premium installer for your operating system and install it. Please note, that you don’t need to install the MATLAB Runtime when upgrading from latest Standard version, because the same Runtime is used by both versions. If you have used an earlier version of Kubios HRV Standard, please check that you have the correct version (provided in the download page) of MATLAB Runtime installed.

What is the Kubios HRV Premium licensing model?

Kubios HRV Premium license is perpetual. For the first year, the license entitles you to download all updates to the software and to receive technical support. After the one year period ends, you can choose to remain with the last version released in that period or to purchase a 1-year maintenance package (1-year maintenance costs 20% of the license price).

Why I can’t activate the latest version of Kubios HRV Premium?

In order to be able to update to the latest Kubios HRV Premium version, your license maintenance have to be up to date. You can check the maintenance status of your license and (if necessary) proceed to maintenance purchase here. In addition to latest updates, license maintenance entitles you to receive technical support and you can transfer the license to a new computer once a year.

Does Kubios HRV Premium offer volume pricing?

Yes we do. If you purchase 2-4 licenses within the order, you will get 10 % off. If you purchase 5 or more licenses, you will get 20 % off.

How many computers can I install Kubios HRV Premium on?

Kubios HRV Premium license allows you to install and use Kubios HRV Premium on a single computer at a time. You must activate Kubios HRV Premium on the machine you intend to use it. Although your license is tied to a single computer, the number of users on that computer is not limited.

Can the Kubios HRV Premium license be transferred from one computer to another?

Yes it can! You can transfer the license from one computer to another once within the first year. After the first year, if you purchase our 1-year maintenance package, license transfers (1 per year) are continued.

The computer that Kubios HRV Premium was activated died/was replaced and I have no activations left, what now?

If you have run out of activations, contact our customer support at to request additional activations for your license key. Please include your license key and order ID in the email request (these can be found in your Order Confirmation emails).

I actually wanted to buy macOS/Linux version of Kubios HRV Premium, but it was not yet available at the time. Can I transfer my license from Windows to macOS/Linux?

Yes you can! When the macOS version is available, download and install the macOS version to your Mac and activate it using your license key.


“RR data not available” in files exported from Polar Flow

Polar Flow export function available in Kubios HRV Premium (ver. 3.2) gives you access to RR (inter-beat interval) data from all Polar Flow compatible Polar watches when using them with H6, H7 or H10 heart rate sensor. NOTE: Measurements made using the Polar Beat app do not include RR data when exported from Flow. Also, when using wrist-HR measurement of your watch or the optical OH1 sensor, RR data is not available from Flow.

“RR data not available” in FIT-files generated by Garmin

In Garmin watches, you may need to enable HRV recording in order to automatically have HRV (beat-to-beat RR interval) data in the FIT-files. In some Garmin models you can turn HRV recording on from the device menu (check user manual). Otherwise, you can turn HRV recording on manually by following the instructions given here.

Kubios HRV will not open in macOS because “it is from unidentified developer”

Kubios is not yet registered as Apple developer, and therefore, you get a warning dialog saying “Kubios HRV can’t be opened because it is from an unidentified developer”. To override your security settings and open the app anyway: locate Kubios HRV in the Finder, Control-click the Kubios HRV icon and choose Open. Kubios HRV is then saved as an exception to your security settings, and you can open it in the future by double-clicking it just as you can any registered app.

Kubios HRV seems to take ages to start?

Kubios HRV Standard and Premium are developed using MATLAB (MathWorks Inc.) and requires the installation of the Matlab Compiler Runtime (MCR). The MCR is a standalone set of shared libraries that enables the execution of compiled MATLAB applications. Starting of the MCR takes roughly the same time as starting MATLAB. This can be anything from 5 seconds to 30 seconds depending on the speed of your computer.

Kubios HRV fails to start and gives an error related to MCR?

Kubios HRV Stadard and Premium are developed using MATLAB (release R2016b) and compiled to standalone application using Matlab Compiler. To be able to run Kubios HRV, you must have the MATLAB Compiler Runtime (MCR) (release R2016b, version 9.1) installed. NOTE: Running Kubios HRV is MCR version sensitive, it will not work with other versions of MCR or MATLAB.