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Android Apps > Tools > bookend PDF Viewer
bookend PDF Viewer icon

bookend PDF Viewer

by iDOC K.K. · Tools · Free
On Google Play since July 2015 · Data updated 2026-10-29

bookend PDF Viewer 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
Total installs
55 thousand
Last updated
July 27, 2026

bookend PDF Viewer has 55 thousand installs. It doesn't have enough ratings yet to judge what users think.

Official page on Google Play

Installs

Tracked by AppBrain
Last 30 days
1 thousand
Per day
34
30-day average
Play install range
50+ thousand
Launched
July 2015

Installs over time

bookend PDF Viewer has been installed 55 thousand times. Over the past 30 days, it averaged 34 installs per day.

Rankings

Google Play top charts

Google Play Rankings for bookend PDF Viewer

This app is not ranked

Competitors

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More from iDOC K.K.

bookend icon bookend
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HoGo Viewer icon HoGo Viewer
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Releases

Updates seen on Google Play
Version
2.20.0
Launched
July 2015
  • Jul 27, 2026UpdateVersion 2.20.0
  • May 12, 2026Installs50,000+ installs
  • May 10, 2026UpdateVersion 2.19.11
  • Mar 9, 2026UpdateVersion 2.19.10
  • Dec 15, 2025UpdateVersion 2.18.3
Show all changes Show fewer

User feedback

Ratings and reviews on Google Play

Comments on bookend PDF Viewer for Android

★★★★★ Deacon Peart · Jul 9, 2021
The idea Is good. Now for flipping, voiced books, personally created.

Technology

Found in the app by AppBrain
Ads
No ads
Price
Free
Libraries
5
App size
12.9 MB
Needs Android
4.0+
Content rating
Everyone

Technologies used by bookend PDF Viewer

4 permissions · 5 libraries
Subscribe to see full permission and library details

About the app and developer

About bookend PDF Viewer

bookend PDF Viewer is a tools app developed by iDOC K.K.

Install Statistics

bookend PDF Viewer has been installed 55 thousand times. In the last 30 days, the app was installed 1 thousand times.

User Ratings

The app has no ratings yet.

App Information

bookend PDF Viewer is freely available from Google Play. The app size is 12.92 MB. The latest version available is 2.20.0. The last update was on July 27, 2026.

Technical Requirements

bookend PDF Viewer requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since July 2015.

App Performance Report

Get a detailed PDF report for bookend PDF Viewer with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

Get PDF Report — $29

Developer information for iDOC K.K.

iDOC K.K.

support@keyring.net

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Frequently asked questions about bookend PDF Viewer

Is bookend PDF Viewer free?

Yes. bookend PDF Viewer is free on Google Play.

Is bookend PDF Viewer still available?

Yes. bookend PDF Viewer is on Google Play, and the last update we saw was on July 27, 2026.

Does bookend PDF Viewer contain ads?

No. Google Play does not list bookend PDF Viewer as containing ads.

What Android version does bookend PDF Viewer require?

bookend PDF Viewer runs on Android 4.0 and higher.

How large is bookend PDF Viewer?

bookend PDF Viewer is 12.92 MB.

Is bookend PDF Viewer suitable for children?

Google Play rates the content of bookend PDF Viewer as suitable for everyone.

How many times has bookend PDF Viewer been installed?

Google Play lists 50,000+ installs for bookend PDF Viewer.

Who made bookend PDF Viewer?

bookend PDF Viewer was developed by iDOC K.K. It is listed in the tools category on Google Play.

What are the best alternatives to bookend PDF Viewer?

People looking at bookend PDF Viewer also look at these tools apps: Foxit PDF Editor日本語版, 読み上げ「ゆっくり棒読みトーク」, ibis Works, .yell Live, データお預かり - アドレス帳や写真などをバックアップ.

Share bookend PDF Viewer

Store listing

By iDOC K.K., from Google Play

“PDF viewing app used by bookend app”

bookend PDF Viewer Screenshot 1 of 5
bookend PDF Viewer Screenshot 2 of 5
bookend PDF Viewer Screenshot 3 of 5
bookend PDF Viewer Screenshot 4 of 5
bookend PDF Viewer Screenshot 5 of 5
Screenshots by iDOC K.K., from the Google Play listing
Description by iDOC K.K. Written by the developer, not by AppBrain. Click to read.
PDFファイルを表示するためのアプリです。
別のファイラーアプリからPDFファイルを開く際にこのアプリを呼び出すことで、PDFファイルを表示することができます。
また、bookendアプリからPDFファイルを開く際はこのアプリが必要となります。

※Android 11以上ではセキュリティ仕様変更の影響により、このアプリから直接PDFファイルを開くことはできなくなりました。別のファイラーアプリからPDFファイルを開く際にこのアプリを選択して開いてください。

- PDFの表示
- PDF内の検索
- PDFの目次を表示
- PDF内のリンクに対応
- PDFに埋め込まれた動画(mp4)再生に対応
- 単ページ、見開き(表紙設定)に対応
- 右綴じ、左綴じの切り替えに対応
- サムネイル表示に対応
- アノテーション機能に対応

Recent changes:
- ターゲットAPIレベルを36(Android 16)に更新
- 目次、サムネイル、ブックマーク一覧でページラベルを表示するよう修正
- パスワード付きPDFでページラベルが正常に表示されない問題を修正
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