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.

A free demo version of CC is available at Install and test with that version if you have concerns that CC won't work on your network or isn't what you need.

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

- CC can turn on WiFi. Requires permission change WiFi state
- [BUG FIX]Fix "Send book to app"
- [BUG FIX]Correctly detect wifi state
- Many more. For the change list see

- Choose fields to display in book details
- Auto-sort when group selected in drawer.
- Choose sorts shown on menu
- Choose groups shown in drawer.
- [BUG FIX]Fix upload to Google books
- Many more. See the change list

Comments and ratings for Calibre Companion
  • (75 stars)

    by Don simmonds on 08/08/2014

    If you have an android and you have Calibre library then you cannot do without this. It is not a cheap half hearted attempt to allow access to some of the library features, this does it all, and if you desire you can take your library with you on SD, but i don't know about KitKat. I cannot praise this enough, it does it all and the word companion does not do it justice.

  • (75 stars)

    by Debra Wilson on 07/08/2014

    I've been using Calibre on my laptop for some time and on a whim decided to see if there was an app to go with it as I'd love to carry over all of my info and organization to my Nook. I found this app, gave it a whirl and love it! All my books were arranged within minutes and all the right details were there waiting for me. Ad since it launches any reading app you'd like wit just a tap, even bette

  • (75 stars)

    by Binary Goddess on 06/08/2014

    I highly recommend this app if you use calibre to maintain your ebook library. It is well written and the dev is friendly and responsive.

  • (75 stars)

    by Eugene McNamee on 03/08/2014

    A fantastic addition to Calibre.

  • (75 stars)

    by Kelly Kepschull on 03/08/2014

    I love this app! It allows me to keep all the books I want from two of my Calibre libraries on my Nexus. It works well with Calibre. Standard and custom column information displays and syncs with Calibre. I put all of my books in Calibre and use CC to add them on my Nexus. The forum at Mobile Read provides information and the creator is quick to address any issues. Also feedback from users is

  • (75 stars)

    by KVFamily Watson on 03/08/2014

    Works great. Never had any issues.

  • (75 stars)

    by Loco Cucamonga on 31/07/2014

    So nice to be able to access my local Calibre library via wifi. COMPANION is so great it is pretty much a full Android or smartphone front end for the Calibre program on PC, and even more so for the books database. MANY THANKS for such excellence. Your work improves the quality of life for readers the world over!