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Pitak

Privacy-first offline library catalogue with an encrypted lending vault
New in version 1.8.0
* View announcements and event posters inside saved libraries.
* Add and open Library Bookmarks directly from the main drawer.
* Share Apps now sits beside Settings.
* Use Load covers to allow catalogue covers and event posters.
* Library owners: republish Events once to enable native event viewing.
Pitak is a privacy-first, offline personal library catalogue. Catalogue your books, lend them to borrowers from an encrypted vault, keep a wishlist, import/export your data, make portable backups, and optionally publish a read-only library site.

Features:

* Library — add, edit, search, sort and filter books; soft-delete with restore; on-device cover capture; ISBN barcode scan with metadata lookup (Open Library → Google Books, chained and cached).
* Borrowers vault — a persistent, AES-256-GCM encrypted store for borrowers and loans, unlocked by a passphrase (Argon2id key derivation). Optional biometric unlock.
* Wishlist — track books to acquire; move them to the library on purchase.
* Import / Export — JSON, CSV (including Goodreads import), and paginated PDF export with Indic-script support.
* Backup / Restore — portable .pitabak archives.
* Publish — optionally push a read-only library viewer to GitHub Pages, with PII redaction.
* Library network — save other Pitak libraries and browse their published catalogues inside the app (search, filter, sort, read-only detail), with an explicit "Open in browser" fallback.
* App-lock — optional biometric/device-credential gate before the library screen.

Privacy posture: local-first by default. Sensitive data lives in the platform Keystore; secrets are held as wipeable bytes. Network calls happen only on explicit user action (ISBN lookup, publish, Refresh, opening a saved library, opt-in remote covers). A catalogue you open is not stored on your device, and its cover images load only while you view it and only if the remote-cover switch is on. Screenshots are blocked while sensitive data is visible.

The cryptographic core is written in Rust and built entirely from source.
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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 1.8.0 (313) suggested Added on Oct 29, 2026

    arm64-v8a

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, 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.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.khoj.pitaka.fdroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 35 MiB PGP Signature | Build Log

  • Version 1.8.0 (312) - Added on Oct 29, 2026

    armeabi-v7a

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, 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.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.khoj.pitaka.fdroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 31 MiB PGP Signature | Build Log

  • Version 1.8.0 (311) - Added on Oct 29, 2026

    x86_64

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, 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.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.khoj.pitaka.fdroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 37 MiB PGP Signature | Build Log

    • New in version 1.5.1
    * New: map pins show names — your own library and hubs always, any other pin on tap (tap the name for details and directions).
    * New: "Confirmed by member" badge — a hub's membership claim is now told apart from a member's confirmed yes.
    * New: map button on the home screen jumps straight to the network map.
    * "Add bookmark" button on the Library network screen replaces the top-right link icon.
  • Version 1.5.1 (273) - Added on Oct 22, 2026

    arm64-v8a

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, 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.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.khoj.pitaka.fdroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 35 MiB PGP Signature | Build Log

  • Version 1.5.1 (272) - Added on Oct 22, 2026

    armeabi-v7a

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, 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.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.khoj.pitaka.fdroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 31 MiB PGP Signature | Build Log

  • Version 1.5.1 (271) - Added on Oct 22, 2026

    x86_64

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, 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.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.khoj.pitaka.fdroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 37 MiB PGP Signature | Build Log

    • New in version 1.4.0
    * New: "Share card + link" sends your library's visiting card together with a tappable link to your website in one share — on WhatsApp, Telegram and similar apps the link appears right under the card.
    * New: export only the books you choose. CSV and PDF exports can be narrowed by source (Purchased, Gift, Donated, Inherited, Other) and further to one person or shop, picked from the names already on your books — e.g. everything one donor gave. The PDF and file name say what they contain.
  • Version 1.4.0 (243) - Added on Oct 16, 2026

    arm64-v8a

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, 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.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.khoj.pitaka.fdroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 34 MiB PGP Signature | Build Log

  • Version 1.4.0 (242) - Added on Oct 16, 2026

    armeabi-v7a

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, 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.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.khoj.pitaka.fdroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 30 MiB PGP Signature | Build Log

  • Version 1.4.0 (241) - Added on Oct 16, 2026

    x86_64

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, 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.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.khoj.pitaka.fdroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 36 MiB PGP Signature | Build Log

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