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Open Notes

A minimalist, secure, and fully offline notes app.
OpenNotes is a privacy-focused, offline note-taking application designed to keep your thoughts organized without compromising your data. It provides a fast, clean interface packed with powerful formatting tools.

All your notes are stored exclusively on your local device. The app does not request internet access and contains no trackers or analytics.

Features:

Native Markdown rendering for rich text formatting, including headers, checklists, code blocks, and quotes.
Seamless image support to embed photos directly alongside your text.
Organization tools that allow you to color-code, pin, and sort your notes.
Home screen widgets for quick access to your most important notes.
Built-in privacy options to lock the app behind biometric authentication and block the Android system from taking screenshots of your data.
Personalize the app with dark and light themes, and choose your favorite color for the home screen icon.
Full offline backups that let you export and import your complete note library as a single ZIP file.
Completely free and open-source with zero invasive permissions.
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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 1.4.0 (14) suggested Added on Jun 30, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 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.
    • show notifications
      Allows the app to show notifications
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.opennotes.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 4.4 MiB PGP Signature | Build Log

  • Version 1.3.8 (12) - Added on Jun 22, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 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 at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.opennotes.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 4.2 MiB PGP Signature | Build Log

  • Version 1.3.7 (11) - Added on May 14, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

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

    Permissions
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • com.opennotes.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 2.9 MiB PGP Signature | Build Log

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