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App Store Apps > Utilities > Calibre Sync
Calibre Sync icon

Calibre Sync

6.12.1
DUONG THUY PHAM
3.95
55 reviews
$4.99

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Screenshots by DUONG THUY PHAM, from the the App Store listing
View on the App Store Also on Google Play

AppBrain's verdict

Rating on App Store
3.95
55 ratings
Last updated
October 15, 2026
Size
128.0 MB

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on Calibre Sync for iOS

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Store listing

By DUONG THUY PHAM, from the App Store
Description by DUONG THUY PHAM Written by the developer, not by AppBrain. Click to read.
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, iCloud, WebDav, Nextcloud, OwnCloud, and TeraBox - 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 or Calibre-web 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, iCloud, WebDav, Nextcloud, OwnCloud, and TeraBox 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
- Send books to Kindle with ease
- 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).

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
iCloud is © Apple Inc
TeraBox © Flextech Inc

Safety and technology

Found in the app by AppBrain
Price
$4.99
App size
128.0 MB
Content rating
Everyone

Technologies used by Calibre Sync

Releases

Updates seen on the App Store
Version
6.12.1
Launched
February 2022

No changelog data

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Rankings

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App Store Rankings for Calibre Sync

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About the app and developer

About Calibre Sync

Calibre Sync is an utilities app developed by DUONG THUY PHAM.

What is the rating of Calibre Sync?

Calibre Sync is rated 3.95 out of 5 stars, based on 55 ratings.

Is Calibre Sync free?

Calibre Sync costs $4.99. The app size is 128.05 MB. The latest version available is 6.12.1. The last update was on October 15, 2026.

What are the requirements for Calibre Sync?

The app has a content rating of Everyone. The app has been available on the App Store since February 2022.

Calibre Sync is made and published by DUONG THUY PHAM. AppBrain is an independent app data site and isn't affiliated with DUONG THUY PHAM. The app name, icon, screenshots and description belong to DUONG THUY PHAM and are shown as published on the App Store.

Developer information for DUONG THUY PHAM

DUONG THUY PHAM

Address:

Frequently asked questions about Calibre Sync

Is Calibre Sync free?

No. Calibre Sync costs $4.99 on the App Store.

Is Calibre Sync still available?

Yes. Calibre Sync is on the App Store, and the last update we saw was on October 15, 2026.

How large is Calibre Sync?

Calibre Sync is 128.05 MB.

Is Calibre Sync suitable for children?

App Store rates the content of Calibre Sync as suitable for everyone.

How do people rate Calibre Sync?

Calibre Sync scores 3.95 out of 5 stars, from 55 ratings on the App Store.

Who made Calibre Sync?

Calibre Sync was developed by DUONG THUY PHAM. It is listed in the utilities category on the App Store.

What are the best alternatives to Calibre Sync?

People looking at Calibre Sync also look at these utilities apps: Remote for Tautulli, Browser for Watch, Word Replacer for Safari, Favorites Widget, MyJDownloader Remote.

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