bookend

100K+
Downloads
Content rating
Everyone
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Screenshot image
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About this app

*If you come from the web site, please go back to there after installation

The application for Android devices to view e-book content distributed on the bookend service.

- You can use Cloud Library to share your e-book content with Windows, Mac, and iOS bookend application.
- Some sample contents available from "Store" menu.

*The internet is required at the first start up and to use the Cloud Library.
*You may have to install other viewer application to read contents.
Updated on
Nov 27, 2025

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
This app may collect these data types
Personal info
Data is encrypted in transit
You can request that data be deleted

What’s new

- Update target API level to 36(Android 16)
- Update supported Android version to 7 or above.
- Reload store web view when Cloud Library registration status changed.
- Fixed an issue that empty bookshelf is shown when app start with offline.
- Fixed an issue that app freeze with "processing..." message when change e-mail of Cloud Library.
- Fixed an issue that black screen briefly appeared before web view is displayed.

App support

About the developer
IDOC K.K.
support@keyring.net
1-3-5, KANDAJIMBOCHO KOTOBUKIBLDG.7F. CHIYODA-KU, 東京都 101-0051 Japan
+81 3-5577-2208