Personal trainers, marathon runners and competitive athletes put 17 wearables to the test — this is the best fitness tracker ...

The best fitness tracker will give you a broad range of insights into your health, sleep, heart rate, activity, and more. Not to be confused with the best smartwatches, the best fitness trackers ...

Fitness trackers allow you to monitor your heart rate, steps, workout intensity and total active minutes, but in the grand ...