Whoop's screenless fitness tracker isn't exactly a fitness wearable—it's a collection of subscriptions, with three tiers, each of which comes with a device, either 5.0 or MG. I noticed recently that ...
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. November 11, 2025 Add ...