The Whoop rival tested.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. September 3, 2025 Add ...

The Polar Loop is a Whoop alternative which promises everything you'll need for everyday fitness tracking.

After numerous leaks and hints, Polar has officially revealed its screenless fitness tracker, Loop. The all-new wearable is essentially a slightly tweaked, consumer-facing version of last year’s B2B ...

It’s hard to escape the feeling that the Loop 2 is simply the original Loop with a firmware update. The addition of smartphone notifications and vibrating inactivity alerts are a nice touch but ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 7 minutes ...