Fitness Tracker

Two wrist devices count your steps all day and score your sleep all night, and almost nobody checks what either maker will stand behind in

The sport that governs competitive rope skipping does not count the same jumps your rope counts. Its judges are told to count landings on one

Two devices, no screen on either, and the same promise: tell me how my body is doing. People ask oura ring or whoop band which

Plenty of people want the step count, the heart rate and the run log without carrying a slab of glass everywhere. The best fitness tracker

Your watch tells you your heart rate. It also tells you a slightly different number three seconds later, and a very different number the moment

The Apple Watch Ultra 2 vs 3 comparison is unusual, because on paper the two look almost identical — same case, same size, same sensors,

Fitness trackers have quietly become very good at some things and are still quietly bad at others. Knowing which is which is the whole trick