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NoteSR - Encrypted Notes

Secure offline notes with AES-256 encryption and encrypted file attachments.
NoteSR is a privacy-first, offline note app that keeps your data on your device.

Create text notes, attach files, and open attachments directly in the app, all protected with AES-256 encryption. No account, no cloud sync, and no tracking.


  • Encrypted local storage for notes and attachments

  • Fully offline usage (no internet required)

  • Built-in viewer for common file types

  • Encrypted export/import for backup and restore

  • Simple, minimal interface focused on privacy



NoteSR is designed for people who want secure personal notes, journals, and sensitive files without giving up control of their data.
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Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 5.3.7 (60) suggested Added on Apr 19, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 10 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • reorder running apps
      Allows the app to move tasks to the foreground and background. The app may do this without your input.
    • app.notesr.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 35 MiB PGP Signature | Build Log

  • Version 5.3.6 (59) - Added on Apr 05, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 10 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • reorder running apps
      Allows the app to move tasks to the foreground and background. The app may do this without your input.
    • app.notesr.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 35 MiB PGP Signature | Build Log

  • Version 5.3.5 (58) - Added on Mar 26, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 10 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • reorder running apps
      Allows the app to move tasks to the foreground and background. The app may do this without your input.
    • app.notesr.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 35 MiB PGP Signature | Build Log

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