Apple is currently ahead of the game: thanks to eSIM, the Watch is independent of the smartphone. Siri facilitates communication, and the fitness functions are strong. But there is a catch: use is reserved for iPhone owners. Android users or price-conscious buyers are better off with the Samsung Gear Fit 2 Pro or Fitbit Versa...

Mi Band 2 is one of the second cheapest test candidates, but in terms of workmanship, range of functions and appearance, it easily keeps up with the most expensive devices in the test. However, the heart rate measurement was unreliable or even non-existent in our tests, and bike rides are not automatically recognised.

As far as its use as an activity tracker is concerned, the Xiaomi Mi Band 2 is not inferior to the Fitbit Alta; above all, the runtime is excellent. Unfortunately, the heart rate monitor can only be used to a limited extent. The Alta, which looks a bit classier, is superior to the cheaper device when it comes to notifications and activity recognition...

The fitness tracker Xiaomi Mi Band 2 can convince over long stretches in the tested. During the test, some categories stood out particularly positively. The candidate convinces in the areas of accuracy and features. An optical heart rate monitor and a single-line display are integrated, which is a rarity in this price range...