Calibre Sync

All in one Calibre libraries on your phones and tablets.

Total ratings

3.92 (Rating count: 288)
See reviews for Calibre Sync on Google Play Store
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User reviews

Recent rating average: 3.50
All time rating average: 3.92
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5 star
48% (10)
4 star
14% (3)
3 star
14% (3)
2 star
19% (4)
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5% (1)
Date Author Rating Comment
2024-12-30
Cody
Was very reluctant to switch from Calibre Companion, but this does absolutely everything I wanted!
2024-11-11
Joan Coll i Ossul
Sync is a button, little else. See status? A ProgressBar in a notification that freezes. Then, the cover download, which throws toasts if there are errors; only mean to see if it still works. If, meanwhile, you want to download a book... ouch. See, syncing is its main function: it works, but it should have a good status screen to see what and where it does, and with some control. The app is not bad, having Calibre libraries in the cloud is a good idea, but the author should improve the sync.
2024-10-21
Robert Baker
Copied my Calibre database from OneDrive to pCloud. Syncing working faster now. However, with the latest Calibre Sync update (6.6.0+267) the library is no longer syncing. New books added are not showing, but I am still able to retrieve the books that are showing. Sync info showing last sync Oct 19 (two days ago).
2024-08-23
Austin Poorbaugh
Incredibly powerful app and just what I was looking for! The developer is actively working to make this app better with each release and incorporatesany of the suggestions and requests into new versions. I emailed requesting some support and they replied within two days. Awesome! I have 1400+ books in my library and use the Calibre server option. Quick to search and find books that I want to put on my device. For those wanting sync-read-position -> moon+ reader is it.
2024-08-11
Greg Martin
Seems to work OK for syncing and downloading. However, lack of grouping and sorting options in the UI make this app pretty much useless if you have more than a few dozen books in your library.
2024-07-10
Andrew Guthrie
Good app, works as described can sync my entire calibre library to read on the go. Would love an additional layout option that is a more compact to fit as many books on screen as possible.
2024-07-04
Ian Burnell
I'd stuck with the increasingly failing Calibre Companion simply because I had used it for years. After latest install on android 14 it was unusable so I finally looked for a replacement. Why didn't I switch to Calibre Sync sooner! Hugely less labyrinthine to set up and use, and much, much quicker. This does all I need - fast searching, quick syncing or downloading - just fabulous. Minor issues with custom columns are easily overcome by adding tags to Calibre metadata. Many thanks to the Dev(s)!
2024-02-26
Deanna Pickering
This app is very slow when downloading books from Calibre server and even slower downloading from One Drive. It took 8 hours to download 600 books from Calibre Content server and 12 hours to download 600 from One Drive. When doing a search I often get wrong results. Well since Calibre Compainon will no longer be updated and you can no longer open a book from the app that only leaves Calibre Sync to work with Calibre. Hope they get the bugs worked out of the app. I bought the full version.
2024-01-14
TJ McDermott
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.
2023-12-17
marysonthego
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.
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