Calibre Sync

3.9
243 reviews
5K+
Downloads
Content rating
Everyone
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About this app

Lifetime support, no extra charge, no subscription fee.

Calibre Sync can:
- help you access full Calibre libraries on most popular personal cloud services, including Google Drive, Dropbox, Microsoft OneDrive, Box, pCloud, MEGA, WebDav, Nextcloud and OwnCloud - simply the most supported for cloud services.
- transform your device to a smart device emulator that connects to Calibre wirelessly. It even supports Calibre libraries on your external storage and from Calibre Content Server with amazing performance.

Move your Calibre libraries to your favourite cloud providers and access those libraries via Calibre Sync to browse, sort, search, download and read books on your device. Calibre Sync also supports multiple libraries across multiple Drive, Dropbox, OneDrive, Box, pCloud, MEGA, WebDav, Nextcloud, and OwnCloud accounts simultaneously.

Features:
- Unlimited Calibre libraries
- Wireless connect to Calibre effortlessly as Smart device
- Easy switch between multiple libraries across multiple accounts
- Automatic check and update libraries when launching the app
- Pull, Refresh or Remove a library from Calibre Sync
- Support different book list layouts: List - detailed and simple, Grid, and Carousel
- View your library statistics
- Search across all of your available libraries
- Search books by title, authors, and even in comments and custom columns
- Filter books on authors, series, tags, language, publishers, formats and in custom columns
- Sort libraries by title, author, ratings, and several Date options - ascending and descending
- Filter downloaded books
- Configuration for each library download location
- Support for custom columns in book details view
- Quick access to book download and share via slideable list view
- Zoom the book cover
- Support "swipe from book to book" in book details view
- Email or share a copy of downloaded book
- Open downloaded book in your book reader application to read a book
- View the file size of each book format
- Show book identifiers and link to source (like ISBN, Amazon, Google Books, Goodreads, etc)
- Dark/light themes
- And many more features ...

To move your Calibre library to cloud services:
1) Open Calibre on your Laptop/PC/Desktop
2) Select "Switch/create library..." from the Calibre menu
3) Select an empty folder on your Cloud drive in "New Location" drop down
4) Select "Move current library to new location", then press OK
5) Wait for cloud sync to complete.
6) Then you are ready to use Calibre Sync.

To move your Calibre library to your phone storage, just copy the library directory to your phone storage.

Notes:
- Calibre Sync is not a reader app. You must install and use one of the many excellent reader apps available.
- Only Microsoft OneDrive for Personal accounts (shared) are supported. Please email us if you observe any inconsistencies.
- Due to restriction in Box API, Calibre Sync must acquire write permission in order to download files, download is not a read action on Box. Calibre Sync guarantees that it will not perform any write actions against your data in Box cloud account.
- Calibre Sync use WebDav API of Nextcloud and OwnCloud services, and it requires case sensitive file system to work properly. Therefore, you must make sure that your libraries are set up on case sensitive file system (Linux, recent MacOS, Windows NTFS with case sensitive enabled).

Permission explanation:
- Calibre Sync only requires "storage permission" to store downloaded book formats on your device.

*For Lollipop devices* you must have sdcard available so that the app can download books to external storage.

Please leave your reviews and suggestions to help us improve the app. For more information see https://calibresync.bitbucket.io

Calibre is © Kovid Goyal - calibre-ebook.com
Drive is © Google LLC.
Dropbox is © Dropbox inc.
OneDrive is © Microsoft
Box is © Box inc.
pCloud is © pCloud AG
Nextcloud is © Nextcloud GmbH
OwnCloud is © OwnCloud
MEGA is © MEGA
Updated on
May 5, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data is encrypted in transit

Ratings and reviews

3.9
194 reviews
TJ McDermott
January 14, 2024
I'd been a long-time Calibre Companion user; it took me some time to get used to Calibre Sync's interface. It's grown on me. I used CC's wireless device connection exclusively; CS's is not quite as good, but makes up for it in its content server interface. I'm now fully switched to that. I appreciate that the developer responds to customers and continues to improve this app.
15 people found this review helpful
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marysonthego
December 17, 2023
I really wanted to like this app. Unfortunately, it didn't work for me. I made a wireless connection from an Android tablet to a Windows laptop running Calibre. The library has about 9000 books. It failed after transferring a few hundred but Calibre indicated that many more were. This was confusing. The transfer speed per book was also slow. I uninstalled and reverted to Calibre Companion. Calibre Sync isn't ready for prime time yet.
9 people found this review helpful
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BIL Studio
December 17, 2023
Could you please contact us on calibre.sync.help@gmail.com so that we can help you further? Cheers.
Jeremy Kwok
June 26, 2021
Wow, I just finished battling with a different, more expensive, Calibre Android app tool, and Calibre Sync is so much more polished in comparison. I have encountered crashes when fast scrolling through my 600+ book collection but other than that it works well to download books onto my device. I wish the filtering was streamlined; I make heavy use of Series and it requires many clicks to browse. I hope this app keeps getting updates! Please update the screenshots: night mode on tablet is beautiful!
7 people found this review helpful
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What's new

- Improve UI for book view page.
- Make series sort behaviour the same as Calibre.