Gallen reads your strap or ring and works out sleep, recovery and strain on your phone. Your raw data stays there.
No public release yet.
Screens show sample data.
Compatible device names will be listed here once they are cleared for use.
How it works
Pair once, wear your device as usual, and open Gallen in the morning.
Gallen lists the devices it finds nearby and connects only to the one you choose.
Your device keeps recording. On Android, Gallen syncs in the background and catches up if it missed a while.
Sleep, recovery and strain are worked out on your phone. Recovery appears after four nights.
Scores come from your device's own heart-rate and motion data.Scores come from your device's own heart-rate and motion data, computed on the phone.
Heart rate, beat-to-beat intervals and motion never leave the phone.
Sync is off until you turn it on.An account and sync are optional, and sync is off until you turn it on.
What Gallen shows
Each one is compared with your own recent days.Each one is compared with your own recent days, not with anyone else.
Sleep
Time asleep, an estimate of stages, and how much sleep you needed.Gallen finds your main sleep from the night's heart rate and motion, then shows time asleep, an estimate of stages and how much sleep you needed.
Recovery
A 0 to 100 score set against your own last 30 days. It appears after four nights.Recovery is a 0 to 100 score from overnight heart-rate variability, resting heart rate, sleep and breathing, each set against your own last 30 days.
Strain
Gallen's own scale, fitted to real data and published in full.Strain adds up the time your heart spent in each zone across the day. It is Gallen's own scale, fitted to real data and published in full.
Your data, in motion
Your device records through the night. Gallen reads it over Bluetooth and works out the numbers right on the phone.
Sample data. Numbers match the sample Today screen.
And the quiet extras
Worked out offline from your stored scores.Everything here is worked out offline from your stored scores.
Seven everyday habits over 30 days, set against your previous 30. A direction of travel, not a biological age.
Tag your evening, like a late meal or alcohol. Patterns shows how each tag has gone with next-morning recovery, and how strong the evidence is.
Log a session by hand, or accept a "looks like a workout" card found in your heart rate.
Your regular alarm always rings. The smart alarm may wake you up to 45 minutes earlier at a lighter moment. Android, strap only.
Your latest recovery, sleep and strain on the home screen. Android.
A Sunday recap with trends, your best and worst night, and one thing to try.
Optional
Without AI, Gallen writes your briefing and answers from plain offline rules. Turn AI insights on and a model writes them instead.
Questions
The short answers.The short answers. The full list lives on the help page.
No. Heart rate, beat-to-beat intervals and motion stay on your phone. Only derived daily numbers can sync, and only if you turn sync on.
No. Gallen's scores are estimates for personal interest.No. Gallen's scores are estimates for personal interest. They have not been validated clinically and are not for diagnosis or treatment.
There is no public release yet. Android comes first and iOS later.There is no public release yet. Android comes first and iOS later. Join the waitlist to hear when it is ready.
Early access
Android first, iOS later. We will send one email when Gallen is ready, and nothing else.
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