Your biometric data is yours.
A plain-English read on what we collect, what we never do with it, and where it lives. The full Privacy Policy is here.
What we collect
- Heart rate variability (HRV)
- Heart rate
- Sleep stages and duration
- Motion and activity
- Skin temperature
- Calendar events you choose to connect
What we don’t do
We don’t sell your data.
Not to advertisers, not to data brokers, not to anyone.
We don’t share with advertisers.
No third-party trackers attached to your biometric data. Period.
We don’t train models on your data without explicit opt-in.
If we ever ask, it’s opt-in, granular, and reversible.
We don’t move your data unencrypted.
Everything that leaves your device is encrypted in transit and at rest.
Where it lives
Most of your biometric data is processed on the Apple Watch and your phone. What syncs to our servers is encrypted in transit and at rest. Sensitive raw signal data never leaves your devices.