With the Loop, Polar is clearly coming for Whoop. Like its inspiration, the Polar Loop is a screenless fitness tracker that measures your activity, heart rate, and sleep with a design that combines a ...

I’m PCMag’s senior writer covering smart home and wearable devices. I’ve been reporting on tech professionally for nearly a decade and have been obsessing about it for much longer than that. Prior to ...

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. The Polar Loop is a simple, screenless fitness-tracking ...