Cinder: An Apple Watch Recovery App That Shows Its Calculations

Cinder computes recovery, strain, and sleep scores from Apple Watch data, with the full formula published in the app. No subscription hardware. Read the full post at Cinder: An Apple Watch Recovery App That Shows Its Calculations . Subscribe to the5krunner for detailed running tech reviews, sports science insights, and training analysis. If you use the5krunner professionally or find it valuable,…