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 ...

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 ...

As technology grows more complex, there’s increasing competition to make that tech feel less like a gadget. The smartwatch segment is a clear example of that, as screenless wearables like Whoop have ...

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 ...

The market for wearable activity trackers continues to grow, which means greater choice for those interested in using technology to help maintain a better quality of life, but it also makes it tough ...