Precise heart rate measurement, initial installation only with computer. Inaccurate distance data. Very accurate heart rate measurement with chest strap. Cumbersome and error-prone cutting of the band. Very good mobile website.

The Polar Loop offers by far the best fastening system of all the fitness bands tested and an optional heart rate sensor for recording sporting activities. The calculation of calories and the categorisation of movements into activity categories is very well done, meaning that if you want to know how long you have been lying down, sitting, standing, walking or running in the evening, the Polar Loop's...

The Polar Loop fitness tracker cuts a solid figure overall when tested. Starting at around 70 euros, the model changes hands and offers good value for money. Both the features and ergonomics are at an average level, as are the ergonomics.

The Polar Loop is not a bad device, but in our short test it did not leave a very good impression. This applies in particular to the synchronisation times, the non-replaceable wristband and the red LED display. Other manufacturers such as Sony or Fitbit have implemented these points better in their smart bands...

The functionality of the band is very extensive and ranges from activity duration to suggestions on what measures are required to reach your daily target. However, the initial set-up is very complicated and the touch button is also rather unresponsive.