Targeted toward more serious athletes, the Whoop observes the state of your body after a workout (via Men's Journal). If the Apple Watch helps you set goals and stay on track, the Whoop is for the self-motivated athlete who knows how to work out, but needs help with what comes after.
The Whoop comes with dozens of workouts, from basketball and weightlifting to parkour and yard work. It sends information to your phone, gathering data on calories you've burned, sleep performance, how strenuous your workouts are, and what you can do to regain your strength.
Using a tracker is beneficial because it details your nervous system and lifestyle habits (per Harvard Health Publishing). The Whoop's data, in particular, is more advanced and accurate compared to many fitness trackers, reported Shape. It measures calories burned based on weight, height, and heart rate and recommends workout strengths determined by how well you slept. Like the Apple Watch, Whoop keeps tabs on how long you spent in various sleep cycles, monitoring how long you should sleep according to the activities of the day.
Wareable notes that the Whoop takes about two weeks to determine your range of respiratory rate, skin temperature, and blood oxygen level, alerting you to when you're experiencing changes, which can indicate illness. It also measures the mental and physical strain that is taxing your body from things like exercise, anxiety, and running errands.
