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Quire

Self-hosted EPUB reader for calibre-web. No telemetry, no cloud, your data.
Quire is a native Android EPUB reader for people who self-host
calibre-web.

It browses your library over OPDS, downloads books on demand, renders
them with Readium, and syncs reading progress (and later bookmarks) to
a small companion server you run yourself (Quire Server, included).

Features:
- OPDS catalog browsing and search
- EPUB reading with Readium (font, theme, line-height controls)
- Reading progress sync across devices via your own Postgres
- Multi-user from day one
- One credential: your existing calibre-web account

Privacy:
- No analytics, no crash reporting, no third-party SDKs
- Network calls go to your calibre-web and your sync server only
- Credentials stored in Android Keystore

Source code, server, and documentation:
https://github.com/vitofico/quire

Optional AI features (off by default): when your Quire Server administrator
configures an AI endpoint (such as a self-hosted Ollama or a third-party
provider) and you opt in from Settings, Quire shows generated book
insights — author, summary, series, themes, craft notes, comparative
anchors, and book-club style discussion prompts — grounded with
citations from Wikipedia and OpenLibrary. A separate Library Insights
screen builds a personal reader profile from your finished books and
suggests further reads (both from your own library and via OpenLibrary
discovery). No AI request leaves your network until you explicitly opt
in, and a single tap in Settings deletes the cached profile.

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 2026.06.06.212 (26060612) suggested Added on Jun 09, 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.
    • take pictures and videos
      This app can take pictures and record videos using the camera while the app is in use.
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • 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.
    • io.theficos.quire.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 23 MiB PGP Signature | Build Log

  • Version 2026.06.02.209 (26060209) - Added on Jun 03, 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.
    • take pictures and videos
      This app can take pictures and record videos using the camera while the app is in use.
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • 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.
    • io.theficos.quire.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 23 MiB PGP Signature | Build Log

  • Version 2026.05.30.197 (26053097) - Added on Jun 01, 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.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • 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.
    • io.theficos.quire.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 22 MiB PGP Signature | Build Log