TL;DR: Whoop flipped the Apple Watch model, monetizing on subscriptions vs. hardware sales, using a screenless form factor that could be worn 24/7 vs. a wrist computer, and focusing on athletic performance vs. general health monitoring. Sacra estimates Whoop hit $1.1B in annualized revenue exiting 2025, up 103% YoY. For more, check out our full report and dataset on Whoop...