Privacy Policy

Last updated: 25 April 2026

BlinkWise does not collect, transmit, store, or share any personal data. There is no account, no cloud, and no analytics.

Camera

BlinkWise uses your Mac's camera for one purpose only: detecting eye blinks in real time, on your device.

Frames are analyzed in memory using Apple's Vision framework.
Frames are discarded immediately after analysis.
No frame is ever written to disk.
No frame is ever transmitted off your Mac.
The camera turns off when detection is paused or the app is quit.

Network

BlinkWise makes no network requests of any kind. No background syncs, no telemetry, no crash reporting, no SDKs that talk to servers. You can verify this with any network monitor (e.g. macOS System Settings → Network, Little Snitch, or LuLu).

Local data

BlinkWise stores the following information locally on your Mac, inside the app's sandbox:

Your preferences (selected camera, nudge style, sensitivity, 20-20-20 settings, launch-at-login).
Your personal blink-rate calibration values.
Aggregated session history (start time, end time, average blink rate per minute) so you can see your trends.

This data lives in a private SwiftData database. It is not synced anywhere. Uninstalling BlinkWise removes it entirely.

Third parties

BlinkWise contains no advertising SDKs, no analytics frameworks, no third-party tracking, and no embedded services. The only frameworks the app uses are Apple's own (SwiftUI, AppKit, AVFoundation, Vision, SwiftData).

Children

BlinkWise is rated 4+. The app does not knowingly collect any information from anyone, regardless of age.

Changes to this policy

If a future version of BlinkWise ever adds optional cloud features (such as account sign-in or cross-device sync), this policy will be updated before that version ships, and the App Store privacy declarations for that version will be updated accordingly. Any change will preserve the principle that the camera feed never leaves your Mac.

Contact

Questions about privacy? Email [email protected].