Myzone Mz-switch

£140 / stuff.tv/mzswitch

This tracker can be attached to different parts of the body, while the accompanying app gamifies your activity. If you’re a gym poser rather than a workout grafter, the Mz-switch is not for you – it’s a versatile wearable that pushes you to roll up your sleeves and go further without intimidation. The wrist-based heart-rate measurement brings much-needed convenience, and this should be enough to push procrastinating newbies to join the fitness revolution. Stuff says ★★★★★

Myzone’s modular heart-rate tracker is an addictive and convenient route to fitness