Calibre Companion

Calibre Companion


(4 stars)


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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 (

CC has been translated into the following languages:
- Portuguese (Brazilian): fully translated
- Italian (Italy): 94% translated
- Spanish (Spain): 83% translated
- Japanese (Japan): 56% translated
- German (Germany): 50% translated
- French (France): 46% translated
- Russian (Russia): 44% translated

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

- Option to add calibre external author links to CC book details
- Update languages: Brazilian Portuguese, Spanish
* Fix widget problem that can crash CC
* Fix crash in download-all when content server disappeared

- Eliminate some failures to connect as a wireless device. Best with calibre 2.27 and later.
- Updated languages: Brazilian Portuguese
* Fix exchanging metadata with calibre twice for newly-added books
* Fix not transferring more than 10 books via the content server

Comments and ratings for Calibre Companion
  • (58 stars)

    by Janet Burgess on 12/05/2015

    Syncs flawlessly, great integration with calibre, everything I want in a library organiser on android. Add a committed and responsive dev and what more could you want?

  • (58 stars)

    by Kenny Sofranko on 10/05/2015

    Very powerful app that compliments calibre perfectly. A must-have if you have a substantial calibre library. Excellent work.

  • (58 stars)

    by James David Beck on 09/05/2015

    Great app for taking your digital library with you.

  • (58 stars)

    by Steven Herron on 09/05/2015

    This does everything it says it will, and very easy and intuitive. Love being able to sync to my eBook library even away from home. Very cool

  • (58 stars)

    by Alisa Sharpe on 08/05/2015

    Works great on my phone - but it crashes on my new Tab 4. So disappointed.

  • (58 stars)

    by Matthias Voigt on 02/05/2015

    Ideal for book lovers, even the elderly

  • (58 stars)

    by Lori Reeser on 01/05/2015

    Love the new widgets!! This requires Caliber on your computer. I can update, add content, etc. there and then send to my tablet wirelessly. I wasn't sure it would be useful but it handles data stuff better than an ereader.

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