Privacy Policy: Holy Quran
Last updated: 9 November 2026
This policy applies to the Android app Holy Quran (com.engin.holyquran). The app has no account and no ads. It
does not sell your data or use it for advertising.
Data we collect
- Location: the Qibla direction is calculated on your device.
- Usage statistics and crash reports: collected through Firebase (see below).
- Anonymous technical information is collected to improve the service.
Firebase
The app uses Google Firebase:
- Analytics: screens and actions in the app, device model, Android and app version, language, an app instance ID and an approximate region derived from the IP address. Ad personalisation is off.
- Crashlytics: technical details of crashes and errors, device model, Android and app version, an installation ID.
- Cloud Messaging: a notification token, so that the app can receive notifications.
- Realtime Database: the app only reads the latest app version to tell you about updates.
Firebase privacy information: https://firebase.google.com/support/privacy
Data stored only on your device
- Your reading position, bookmarks and reading mode.
- Your theme, language, keep-screen-on and start-in-reader settings.
- Your daily and dhikr reminder settings, and your Tasbih counts.
- The last location used for the Qibla.
- A random installation ID and the last notification token used for the technical information above.
Permissions
| Permission | Used for | Asked at runtime |
|---|---|---|
| Precise location | Qibla direction (more accurate) | Yes, on the Qibla screen |
| Approximate location | Qibla direction | Yes, on the Qibla screen |
| Notifications | Daily and dhikr reminders, and announcements | Yes, during setup and in Settings (Android 13 and later) |
| Start at boot | Setting the reminders again after a restart | No |
| Vibration | Tasbih counter | No |
| Wake lock | Lets Firebase finish its work in the background | No |
| Set alarm | Kept from earlier versions; not used by the app | No |
| Foreground service | Declared by an Android library; not used by the app | No |
| Internet | Firebase, the version check and the technical information above | No |
| Network state | Checking the connection | No |
| Wi-Fi state | The technical information above | No |
| Phone state | The technical information above, only if granted in an earlier version | No |
| Advertising ID | Usage statistics and the technical information above; never ads | No |
| Receive Firebase messages | Notifications (Firebase Cloud Messaging) | No |
| Google Play install referrer | How the app was installed, for statistics | No |
| Ad services attribution | Declared by Firebase; not used by the app | No |
| Ad services advertising ID | Declared by Firebase; not used by the app | No |
| App-internal receiver permission | Android library protection for the app's own messages; no data | No |
Retention and deletion
Firebase keeps statistics for at most 14 months and crash reports for 90 days. Uninstalling the app deletes everything stored on your device; for other requests, write to us.