Calibre Companion

Calibre Companion

10,000 - 50,000 downloads

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A free demo version is now available. See the end of this description for details.

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.

A free demo version of CC is available in the Google Play store. Install and test with that version if you have concerns that CC won't work on your network or isn't what you need. To get it, go to and click the button for the demo version (links to Google Play don't work here).

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Recently changed in this version

* Increase book limit on demo version to 20
* Fix show read info on book list option also hiding the option in book details
* Fix sporadic crash when returning to the book list/grid

+ Option to show read check marks in the grid view
+ Option to show cover thumbnails on the right in list view
+ Updated translations: Japanese, Russian
* Fix Read check marks not necessarily appearing after being set in book details
* Fix rare crash on startup after upgrading CC

Comments and ratings for Calibre Companion
  • (74 stars)

    by Edward H on 09/12/2014

    Makes moving ebooks to your mobile from your Calibre library a snap.

  • (74 stars)

    by Isaias Martinez-Yelmo on 28/11/2014

    Cuando se puedan sincronizar las modificaciones de un texto en el PC o viceversa le daré 5 estrellas. Yo leo muchos PDF donde realizo anotaciones y me vendría bien poder reflejar los cambios (two-way sync)

  • (74 stars)

    by Joe Lord on 23/11/2014

    If you use Calibre, you need this too.

  • (74 stars)

    by Carob Simms on 18/11/2014

    Must-have for Calibre users

  • (74 stars)

    by William Dolton on 18/11/2014

    Great app

  • (74 stars)

    by Marieka Becker on 13/11/2014


  • (74 stars)

    by Matthew Walker on 08/11/2014

    Love how this app integrates with Calibre. Use in conjunction with Moonreader+ and no complaints whatsoever.

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