Calibre Sync
Calibre Sync is #49 in Utilities Paid in Germany and charting in 1 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperDUONG THUY PHAM
CategoryUtilities
Price5.99 EUR
Released
Rating★ 2.8 (4)
Version6.10.6
Age rating4+
First seen by us
25 Sep 2026
Installs (est.)5k+ worldwide
Rating
2.8 ★
4 ratings
Measured
Best rank now
#49
Measured
Calibre Sync on the App Store
App details
App ID
1609138078
Publisher
DUONG THUY PHAM
Content rating
4+
Calibre Sync downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Calibre Sync's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| UtilitiesPaid | #49 |
Apps near Calibre Sync on the chart
Utilities Paid, around #49.
Ratings
App Store, worldwide.
Rating
2.8 ★
4 ratings
Measured
Ratings
4
Measured
About Calibre Sync
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 permissi
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 permissi
Latest updates
6.11.0
- Compatibility with iOS 27
6.10.6
- Mega service integration improvement.