Whoop is the quiet wearable for people who care less about counting steps and more about what their body is actually doing. It tracks strain, sleep and recovery, then tells you whether today is the day to go hard or calm down. No flashy screen, just data, coaching and habit change. It’s designed for athletes and ambitious amateurs who want to treat performance like a system, not guesswork. I like tools that nudge behaviour, not just collect metrics.