VARSE: VARvi Second Edition.

App for heart rate signal acquisition and analysis of the Variability of the heArt Rate in response to Visual stImuli

What is VARSE?

App for Android that allows to record HR (Heart Rate) signals acquired with a chest strap connected by Bluetooth to the mobile device, and performs HRV (Heart Rate Variability) analysis in real time.

HR data can be recorded and labelled while individuals are performing differente mental and/or physical activities of limited duration.

Free to Use

Free to download and use for any purpose

Open Source

Modify and improve it as you wish


Record HR data and perform HRV analysis in real time


Get information about erronoeus signals

Manage HR experiments

Create and organize experiments with different activities and external stimuli

Easy to use

Move over the menus in a very simple way


VARSE is available for Android. Android 5.0 Lollipop or newer required.