How the Apple Watch heart rate sensor works, according to Apple
A new support document on Apple's website describes exactly how the watch measures your pulse and more
A new support document on Apple's website describes exactly how the watch measures your pulse and more
The $US50 fitness band counts steps, tracks sleep and provides basic notification alerts, without the watch-like appearance.
After a couple of quiet months, improvements to Microsoft's budding fitness platform are underway.
The best in apps for the long-distance runners amongst you
The latest wearables are extremely mission-specific, aimed at narrow sports categories instead of general fitness.
New models may include a $50 clip-on tracker and a $180 band with more sensors than the existing Jawbone UP.