I’ve been using WHOOP for my training and I believe there’s a crucial feature missing that would benefit many athletes: Real-time haptic alerts for heart rate thresholds**.**
Currently, the device can vibrate when I reach my Strain Goal, but it doesn’t notify me if my heart rate exceeds a specific BPM. For example, during a Zone 2 run or a recovery session, I would like my WHOOP to vibrate if my heart rate hits 170 BPM (or any custom limit I set).
Well I would also love your suggestion of having some kind of vibration (like 1= below zone and 2= above zone or something like that) so you could just enjoy your run or workout without constantly checking your wrist AND you could also do this with a bicep strap which I prefer for accuracy during workouts