Whoop’s Wearable Fitness Tracker Promotes All-Around Wellbeing

The 3.0 iteration of the wrist-bound device substitutes for a personal trainer

Aside from a light-reflecting text logo, the Whoop 3.0 wristband (free with a membership that begins at $30 a month) is nearly indiscernible from a fabric sweatband. There’s no screen for real-time tracking, certainly no intruding vibrations or sensors and no surprising alerts. As such, this couldn’t replace an Apple Watch or everyday time-teller. That said, everything you do—working out, recovering, sleeping, walking to work, …