bookend

100K+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image
Screenshot image
Screenshot image

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
Feb 8, 2026

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

- Fixed an issue that an error occurred on the device cannot use external storate.
- EPUB viewer: Fixed an issue that the app becoms sluggish when many text marker exist.
- EPUB viewer: Fixed an issue that user can add text marker to text on pages not 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