Endurance data/HRV/VO2max enthusiast; shares practical guidance on zone 2, device differences, and readiness.

How do you notify users about new features? Experimenting with this, but is this too much?

Workout overviews feature update 🚨 - Perceived effort - HR zone distribution - Suggested recovery time

Bright green flags Century AI reached "Product Market Fit" 🙌 Yesterday someone left this comment; (btw @whoop you can still buy us for €1m)