Last updated: 2026-07-24
Controller: Haptic Knock (individual developer)
Contact: dive2ice@me.com
This draft is for App Store Connect. Host a final version on HTTPS before submission.
Haptic Knock helps two people exchange short vibration patterns. We collect only what is needed to run the service.
| Data | Purpose | Retention |
|---|---|---|
| Apple Sign In identifier (`sub`) | Account | Until account deletion |
| Display name (optional) | Show to pair peer | Until deletion / user edit |
| Email (if provided by Apple) | Account recovery / contact (minimal) | Until deletion |
| Device APNs token | Knock notifications | Until logout / new token / deletion |
| Haptic patterns you save | Sync your library | Until you delete them or account |
| Pending knock payloads | Deliver offline knocks | Until played, dismissed, expired, or deletion |
| Pair relationship | 1:1 routing | Until unpair or deletion |
| Technical logs (errors, latency metrics) | Reliability | Short-lived operational logs |
We do not sell personal data. We do not use your haptics content for advertising.
Authentication uses Apple’s identity token. We verify the token with Apple and store an opaque account id.
With your permission we send alert notifications for knocks when the peer is not in a live session. Notification content is minimal (e.g. that a knock arrived). Opening the app plays the stored pattern.
Infrastructure providers process data on our behalf (e.g. Cloudflare for API hosting). They process data under our instructions.
You can delete your account in Settings → Delete account. This removes or de-identifies account data and related patterns, devices, and knocks as implemented by our API (DELETE /me).
The app is not directed at children under 13. Do not use the service if you are under the applicable age in your region.
Servers may process data in regions where our cloud provider operates. Appropriate safeguards apply as required by law.
We will update this page and the “last updated” date when the policy changes.
Questions: dive2ice@me.com
App: Haptic Knock for iOS