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De Fide

Offline Catholic app for prayer, Scripture, novenas, and the Rosary.
New in version 2.1.0
• Fixed the Douay-Rheims Bible: re-imported the full translation, restoring missing chapters and correcting verse numbering in Proverbs, Job, and over 20 other books
• Added swipe gestures to the Rosary: swipe left or right on the prayer to move between beads
• Added swipe gestures to the Bible reader: swipe left or right to move between chapters
• Added a Saint of the Day card to the home screen
• Added an optional daily Rosary reminder notification (Settings → Notifications)
• Added an option
De Fide is a fully offline Catholic app for prayer, Scripture, and catechesis.

Features include:
- Full Bible with multiple translations, bookmarks, and highlighting
- Daily prayers and the Liturgy of the Hours
- Novena tracker with optional reminders
- Rosary guide with all mysteries
- Catechism reference

No internet connection required. No accounts. No tracking. All data stays on your device.

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 2.1.0 (27) suggested Added on Aug 05, 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.tristinbaker.defide.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 51 MiB PGP Signature | Build Log

  • New in version 2.0.9
    • Fixed Rosary scripture links always opening the English Bible instead of your chosen translation
    • Fixed today's Rosary mystery on the home screen not showing in your chosen language
    • Added a link to the GitHub page when tapping the version number in Settings > About
    • Added a Full Screen option in Settings to hide the status bar for a distraction-free prayer experience
    • Added an Overcoming Sin habit tracker to the home screen: add a habit, track your streak, and log a slip when it happens
  • Version 2.0.9 (26) - Added on Jul 26, 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.tristinbaker.defide.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 51 MiB PGP Signature | Build Log

  • New in version 2.0.4
    • App icon now adapts to your launcher's preferred shape (circle, squircle, square, etc.) and supports dynamic color theming on Android 12+
  • Version 2.0.4 (21) - Added on Jun 21, 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.tristinbaker.defide.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 42 MiB PGP Signature | Build Log