

And like Fitbit's Versa Lite ($159.95), it's very simple to use. In addition to continuous heart rate monitoring, the Inspire HR tracks sleep stages (REM, deep, and light sleep) and measures your cardio fitness levels.

If you want more detailed insight on your health and fitness, it's worth the extra $30 for the Inspire HR, which we're reviewing here. Replacing Fitbit's Alta and Alta HR, the Inspire ($69.95) and Inspire HR ($99.95) track step count, distance, and basic sleep metrics.

