[Important] This app is an older version.
We've released a new successor app, "Book Manager 2."

▶ Click here for the new app.
https://play.google.com/store/apps/details?id=com.bsy_web.bookmanager2
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This app manages books, including paperbacks and manga.
Features include unlimited folders, making it easy to find books you don't own.
This app is the only one with five ways to register books!

Simple yet feature-rich, it's intuitive to use.
Smooth operation with minimal tedious input.
You can also save notes and view your purchase and reading history in graphs.
When searching for your next book online, it's easy to lose track of time. Be careful.

● Search for books online, and registered books will be marked as "Registered."
This means you can easily identify books that aren't registered!

This is also extremely effective in preventing duplicate purchases.

● Create folders freely. There's no limit.
You can create as many subfolders as you want within a folder.
Recommended for people with many books.
This feature is similar to a bookshelf but allows for more convenient organization.

●There are five ways to add books.
1) Scan the barcode
2) Manually enter the barcode
3) Use optical character recognition (OCR) to read the ISBN
4) Search the web (by keyword)
5) Manually enter
Barcode scanning and ISBN OCR have continuous modes, so you can add multiple books at once.

●Easily search for new releases.
No push notifications.
No settings required.
But for some reason, it's so easy to use that you'll find yourself addicted to it.

●Check with graphs.
Graphs display the number of purchases, cost, and number completed.
You can check by year or month.
Useful for encouraging your reading or as a reference for future purchases.

●Search by library ranking.
The search screen includes a ranking of the number of books you own.
This is a tally based on the books you own.
"Approximately Top 50"
Search for frequently read authors by simply selecting from the list.

●Freely sort books
You can sort by combining 19 different categories.
You can freely set the order of categories.
(Folders are always at the top.)

●Enter status and notes for books.
You can set the status as follows:
Planned Purchase, Unread, Read, etc.
You can also enter text.
"Purchase More," etc.
Status and notes are searchable.

●"Create a Folder with This Author's Name" Feature
By registering even one book, you can create a folder without entering any text.

●"Search the Web with This Author's Name" Feature
By registering even one book, you don't need to enter any text when searching the web.

●Backup/Restore
You can back up your books in CSV format.
You can back up directly to your device or the cloud.
Cloud backups can also be used when changing smartphone models.

Here's an explanatory video about cloud backup.
https://www.youtube.com/watch?v=tNGPcTmU2_0

● Automatically searches for related folders.
When adding a new book, it automatically searches for related folders, even in complex folder structures.
Then, simply select from them.
Feel free to create folders however you like.
(This is a premium service feature, but you can try it with the first 100 books.)

● Uses Rakuten Books book search.
If the search doesn't come up, you can manually enter it.
Unfortunately, Amazon search is not available due to terms and conditions.

● You can also check Rakuten Books immediately.
Purchase directly and receive free shipping.

● You can also search and purchase Rakuten Kobo (e-books).

● A premium service is available that allows you to hide ads.

Use it as a reference for finding your next book. Check out books by that author you haven't read yet. It's useful for a variety of purposes, such as:

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The developer of this app has been certified by Androider as a trusted developer, ensuring safe and secure apps.
https://androider.jp/developer/c4f3b36cdf69a80e1d097ad014d87e29/
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This app participated in the Ministry of Internal Affairs and Communications' "Demonstration Experiment for Technical Verification of Handling of User Information in Smartphone Applications."
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The following app was created using a different program.
It has almost the same functionality. Please use it.

Manage your CDs with CD Manager
Manage your DVDs/Blu-rays with DVD Manager
Manage your magazines with Magazine Manager
Manage your foreign books with MyBookManager
Manage your cosmetics with 【My Cosme History】