Ad Somnia

Privacy Policy

Your dreams stay yours.

A plain-language summary of what Ad Somnia collects, why, and how it's handled.

Last updated: June 2026

Overview

Ad Somnia ("the app", "we", "us") helps you practice lucid dreaming by playing calming audio and delivering gentle Apple Watch cues during sleep. We've designed the app to use the minimum data needed to do that, and to keep your information on your device wherever possible.

Health & sleep data

To time cues during the night, Ad Somnia reads sleep-related data from your Apple Watch through Apple's HealthKit framework — only after you grant permission. Access is read-only; the app never writes to Health.

Specifically, we request one category: sleep analysis samples (HKCategoryTypeIdentifierSleepAnalysis), which include sleep stage (REM / Core / Deep / Awake) and timing. No other Health categories are requested.

  • This data is used only on your device to compute personalized REM probability windows and schedule cues.
  • With your permission, the app may receive HealthKit background updates so REM windows stay current. This processing also happens on-device.
  • We do not sell it, share it, or use it for advertising or marketing.
  • Health data is never used for any purpose other than providing the app's core features, consistent with Apple's HealthKit requirements.

You can review or revoke access at any time in iOS Settings → Privacy & Security → Health → Ad Somnia.

Other information we process

  • Session settings & preferences (such as cue strength and onboarding state) and your computed sleep/REM model — stored locally on your device only, not synced to iCloud or any server.
  • Diagnostics: none. We do not integrate any analytics or crash-reporting SDK. Apple may collect anonymous crash logs if you've opted into "Share With App Developers" in iOS Settings; we receive these only in aggregate via App Store Connect.
  • Purchases: the app does not currently offer in-app purchases or subscriptions.

What we don't do

  • We don't sell your personal information.
  • We don't use your Health data for advertising or share it with data brokers.
  • We don't require an account, sign-in, or email to use the app, and we operate no server-side identity.

Third-party services

Ad Somnia relies on Apple for the App Store, HealthKit, and notifications; your use of those is governed by Apple's privacy policy. We use no other third-party services — no analytics, error reporting, or hosting providers.

REM window timing and haptic settings are exchanged between your iPhone and paired Apple Watch via Apple's WatchConnectivity framework. This is a direct device-to-device transfer over Bluetooth/Wi-Fi; it does not go through our servers (we operate none).

Data retention

We operate no servers and store no data off-device. Information on your device is removed when you delete the app or clear it from iOS Settings.

Children's privacy

Ad Somnia is not directed to children under 13 (or the equivalent minimum age in your jurisdiction, for example 16 in parts of the EU), and we do not knowingly collect personal information from them.

Your rights

Depending on where you live, you may have rights to access, correct, or delete your personal information, or to object to certain processing. Because most data stays on your device, you can exercise much of this directly through iOS and the app. For anything else, contact us at the address below.

Changes to this policy

We may update this policy as the app evolves. Material changes will be reflected here with a new "last updated" date.

Contact

Questions about this policy? Email mask390@gmail.com