bookend is made and published by iDOC K.K. AppBrain is an independent app data site and isn't affiliated with iDOC K.K. The app name, icon, screenshots and description belong to iDOC K.K. and are shown as published on Google Play.
AppBrain's verdict
Established- Installs
- 120 thousand
- Last updated
- April 20, 2026
- Ads
- No ads
- Size
- 32.1 MB
bookend has 120 thousand installs. It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on Google PlayComments on bookend for Android
Store listing
By iDOC K.K., from Google Play“The viewer and contents manager application of the Bookend service.”
Description by iDOC K.K. Written by the developer, not by AppBrain. Click to read.
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.
Recent changes:
- 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.
- EPUB Viewer: Add a “Delete” button to the annotation list.
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 26
- App size
- 32.1 MB
- Needs Android
- 4.2+
- Content rating
- Everyone
Technologies used by bookend
Releases
Updates seen on Google Play- Version
- 8.1.25.0
- Launched
- September 2011
Alternatives
Similar apps and more from iDOC K.K.Installs
Tracked by AppBrain- Last 30 days
- 780
- Per day
- 26
- 30-day average
- Play install range
- 100+ thousand
- Launched
- September 2011
Installs over time
bookend has been installed 120 thousand times. Over the past 30 days, it averaged 26 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for bookend
About the app and developer
About bookend
bookend is a tools app developed by iDOC K.K.
How many times has bookend been downloaded?
bookend has been downloaded 120 thousand times. In the last 30 days, the app was downloaded 780 times.
What is the rating of bookend?
bookend has no ratings yet.
Is bookend free?
bookend is free. The APK size is 32.13 MB. The latest APK version available is 8.1.25.0. The last update was on April 20, 2026.
What are the requirements for bookend?
bookend requires Android 4.2+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since September 2011.
App Performance Report
Get a detailed PDF report for bookend with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29