Smartwatches are now extremely versatile and powerful tools. The best options can track exercise, monitor advanced health metrics, and act as a handy second screen to your smartphone. The best ...

It also monitors steps, calories, heart rate and sleep for way less than an Apple Watch or other popular wearables.

Fitbit Comparison Compare Fitness Trackers Smartwatches. Which Fitbit Do I Have How to Identify Your Fitbit Model. Which Fitbit shoul ...