Smartwatches and fitness wristbands are now real all-rounders: they serve as heart rate monitors and altimeters, count steps, calculate distance travelled and calories burned and analyse sleep patterns. Some can also be used to play music, make phone calls or send and receive messages...

Withings thinks of the smartwatch in the opposite way to Apple and starts with the "watch" before making it "smart". The preference ultimately lies with the prospective buyer. In technical terms, both devices are largely on a par, although the top dog from Cupertino naturally allows for far more sophisticated data analysis directly on the display...

The ScanWatch 2 is ideal for anyone who loves classic watches but still wants to track their fitness and health. Functions such as ECG, body temperature and breath measurement are innovative. The battery life is very long. However, the watch is a little awkward to use. Tip: Activate continuous measurement and look up all the details later in the mobile app!...