Your Apple Watch already tracks the signal. Ready2Run turns overnight HRV into one honest call each morning: train hard, take it easy, or rest. On-device and private.
iPhone and Apple Watch · iOS 17 and later
No extra hardware. No black-box score you have to trust blindly.
Train hard, easy run, or rest — with a recovery ring you can read in a second, on your phone and your wrist.
No mystery number. "HRV 12% below your 7-day normal, resting HR up" — you see the factors behind every verdict.
A rolling 7-day baseline from your overnight HRV, blended with resting heart rate and last night's sleep — plus a 14-day trend chart with your normal-range band.
An Apple Watch app with the same recovery ring, watch-face complications, and Home and Lock Screen widgets.
An optional morning notification carries the actual call — updated in the background after you wake, without opening the app.
Every calculation runs on your iPhone. Your health data never leaves your device — see the privacy policy.