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De Fide

Offline Catholic app for prayer, Scripture, novenas, and the Rosary.
New in version 1.5.0
• Rosary diagram style (Classic / Compact) moved to Settings — no longer shown as buttons during every prayer session
• Latin Vulgate now shows Bible book names in Latin (e.g. Matthaeus, Psalmi, Numeri) instead of English, regardless of app language
• French and Simplified Chinese translation updates
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 1.5.0 (10) suggested Added on Apr 19, 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 32 MiB PGP Signature | Build Log

  • New in version 1.4.0
    • Fátima Rosary order (pt-PT): corrected bead mapping — Hail Marys now land on small beads, all other prayers on the nearest large bead
    • Rosary falls back to Dominican order when the selected order has no beads for the current language (fixes blank screen for English + Fátima)
    • Lithuanian translation update
    • Fixed Portuguese date format on the home screen: "11 de Abril" instead of "Abril 11"
  • Version 1.4.0 (9) - Added on Apr 13, 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 32 MiB PGP Signature | Build Log

  • New in version 1.3.3
    • Fátima Rosary order (pt-PT): the traditional Fátima method is now available in Settings — with its own opening, the Ó Maria Concebida after each decade, and closing Hail Marys
    • Rosary diagram now matches a physical rosary: 60 beads, larger Our Father beads, and a cross indicator
  • Version 1.3.3 (8) - Added on Apr 12, 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 32 MiB PGP Signature | Build Log