It´s barely noticeable. But it tells you everything.

24/7 Activity Tracking
Measures all your movements throughout the day (not just workouts) to show you how every step counts.

Automatic Training Detection
Automatically detects when a training session starts and ends based on your heart rate and movement. Too sensitive? You can adjust the training intensity settings in the POLAR Flow app.

Training and GPS via the Flow app
With the POLAR Flow app, you can manually start a training session for any sport, use your phone´s GPS to track your route, and view all your training data and metrics within the app itself.

Training Load
Shows the effort each session puts on your body compared to your tolerance, helping you balance training and recovery over time, reduce the risk of injury, and continue to improve.

sleep ,,,,,,,Log Measures how much of your night´s sleep ,,,,,,,was light, deep, REM, or interrupted, and each morning shows you a simple score that helps you better understand your sleep ,,,,,,,performance.

Nightly Recharge
Combines your sleep ,,,,,,,score with data on your heart rate, heart rate variability, and breathing to calculate your nightly recovery and provide you with guidelines to manage stress, avoid burnout, and train smarter every day.