Calibre Companion

Calibre Companion

10,000 - 50,000 downloads

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Calibre Companion (CC), recommended by calibre developers, is three applications in one:
- a superb device-based calibre library organizer
- a high-performance WiFi-based calibre device emulator
- a calibre content server (web access) client

1) CC is a device-based calibre library organizer. Once you put books on your device using one of the connection methods described below you can:
- view a book's metadata (author, tags, series, rating, dates, etc.).
- sort and group books by their metadata.
- see book lists by cover or by list.
- mark books read and sync this information with calibre.
- launch your book reader application to read a book (works with most reader applications except for Amazon Kindle).

2) CC can connect to calibre over WiFi and be detected by calibre as a device. Once connected, you use calibre to move books to and from your device. Calibre automatically updates all the book metadata stored by CC to match the latest in your library. No other app, reader or browser, offers this level of integration with calibre.

3) CC can connect to calibre’s content server over WiFi to browse your library and download books to your device.

For more information see our FAQ (

1) CC is not a reader app. You must install and use one of the many excellent reader apps available.
2) CC requires that you use calibre calibre 0.9.02 or later, available at Some CC features such as syncing book read information require newer versions of calibre.

Seeing the benefits of Calibre Companion’s features can take some time. Do not worry about the 15-minute refund window. If after exploring both kinds of connections you are not satisfied with CC, contact us and we will refund your purchase.

Permissions explanation:
- Allow Wi-Fi multicast reception: multicast is required to be able to find calibre without requiring you to enter an IP address.
- Users with Jellybean (Android 4.1): You will also see a permission about “Test access to protected storage”. This is caused by a change Android is making regarding SD card access, and simply means our app can save books on your external storage.

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Recently changed in this version

- Refuse to connect if library is in a read-only folder (KitKat SD Card problem)
- Fix rare fail-to-connect bug
V3.3.1: New functions:
- Mark books read. Sync info with calibre.
- Options to move Connect, etc to menu
- Option to close grouping drawer when author/etc selected
- Swipe in book details changes book
- Tap items in book details to see matching books
Too much new to put all here!
Change log at

Comments and ratings for Calibre Companion
  • (74 stars)

    by Rich Pieri on 16/04/2014

    Does what it says on the tin.

  • (74 stars)

    by Eric Kapitany on 13/04/2014

    Does what it claims. Does it well and does it fast. No bugs or hanging!

  • (74 stars)

    by Russell Miller on 13/04/2014

    It connects well with Calibre, wirelessly or with Calibre set up as a server. It would be nice if it could then seamlessly transfer books over to your selected eBook reader.

  • (74 stars)

    by Tony Wong on 12/04/2014

    Could not imagine how you would use Calibre on this AFN Kitkat rooted NOOK HD+ tablet without C C

  • (74 stars)

    by Colin Pearce on 09/04/2014

    Caliber companion

  • (74 stars)

    by Brian Near on 06/04/2014

    Calibre is an excellent ebook library management and conversion tool. Sadly, it's not available for the Android. Calibre Companion is like having a copy of Calibre on your tablet. Very handy if you use several different ebook reader apps. Connects to

  • (74 stars)

    by Mark O'Sullivan on 02/04/2014

    Much better than Calibre sync app