The Whoop Strap is a 24/7 wearable monitoring tool that measures heart rate and several other biological markers to help inform the effectiveness of rest and recovery. It offers informed predictions ...

When Whoop came on the market in 2015, it ushered in a new era of fitness tracking. Rather than showing you what’s going on during your workouts, the screenless device tells you how prepared your body ...

Whether you work out daily or you’ve been trying to kick-start the habit, a fitness tracker is a great way to enhance your exercise routine. While we’ve tested plenty of fitness trackers, over the ...

The WHOOP platform introduces a ton of fascinating ideas that could benefit the greater fitness product space over time. However, you'll need to put up with the WHOOP Strap 3.0's inaccurate heart rate ...

The Whoop Strap 3.0 makes it clear how important sleep is to your recovery. It records a massive amount of data around your workout intensity and sleep, and makes you more accountable for your ...

With the start of a new year, it’s an opportune time to leave behind all the negative energy from 2020 and start anew with healthy habits. Working out and getting your body more fit is always one of ...

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. October 1, 2025 Add as ...

Mercey Livingston is a health and wellness writer and certified Integrative Nutrition Health Coach. She's written about fitness and wellness for Well+Good, Women's Health, Business Insider, and ...

Subscription wearable-maker Whoop just launched its successor to the 2-year-old Whoop Strap 3.0. The Whoop Strap 4.0 doesn’t depart from the company’s core goals, aesthetics, or subscription model.

The Amazfit Helio Strap successfully delivers on its promise to be a compelling, subscription-free alternative to Whoop. The hardware is lightweight and comfortable, while the core tracking for heart ...

The ProKnit band is really comfortable. Compatible with other Bluetooth-compatible fitness devices. Sleep tracking is accurate. The wearable is free with the subscription service. The clip-on battery ...