A calm daily recovery score, read from your overnight HRV. The signal beneath the noise — no extra hardware, just your Apple Watch.
One honest number, the signals behind it, and a trend you can trust.
Your recovery, scored each morning from overnight HRV, resting heart rate, and sleep.
Tono learns your personal baseline, then flags the change that matters — not someone else's average.
Works with the Apple Watch you already own. Syncs overnight, ready before you wake.