SideBooks - PDF&Comic viewer app icon

SideBooks - PDF&Comic viewer

SideBooks is a high performance, high speed PDF&Comic reader/viewer

Tokyo Interplay Co., Ltd. · jp.co.tokyo_ip.SideBooks

5.0 out of 5 (1 rating) 500K+ downloads v2.90.1 19.6 MB Android 5.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v2.90.1 (2090010)
Updated
Aug 13, 2026 (2 months ago)
APK size
19.6 MB
Requires
Android 5.0+ (API 21)
CPU support
x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category
Books & Reference (app)
Listed since
Jun 12, 2021 (at least)
Permissions
8 (2 sensitive)
Website
tokyo-ip.co.jp
Developer contact
[email protected]

About this APK

SideBooks - PDF&Comic viewer is an app by Tokyo Interplay Co., Ltd. in the Books & Reference category, listed since at least June 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 2.8.17, the APK grew from 17.7 MB to 19.6 MB and the minimum Android version rose from 4.1 to 5.0. It asks for 8 permissions, 2 of them sensitive: camera and modify shared storage. It asks for the same permissions as version 2.90.0. The app can read the advertising ID that ad and analytics services use.

What's new in v2.90.1

*Minor bug fixes.

Description

From the listing uploaded by “appupdater”.

SideBooks is a high performance, high speed PDF&Comic viewer that allows you to enjoy reading with the feel of actual paper. =Features= Curl animation that simulates the actual turning of paper pages has been added to the standard page slide function. Supports viewing from 2 directions, documents that open left to right and right to left. It provides the optimal environment for viewing any book. All zoom rates have been optimized providing high speed, dynamic screen display. An infinite hierarchy of folders can be created, moved, deleted, renamed, etc. using the enhanced bookshelf management function. Real visual bookshelf function. Files can be imported by 3 methods, Network transfer through Dropbox, USB transfer through PC and direct transfer from other applications. Books can be protected so others cannot view them by using the password protected locking function. =Functions= Overall: *Brightness Adjustment. *Screen rotates to match the orientation of the device *Screen Rotation Lock *Password Protected Start-up Lock Viewer: *Support PDF,ZIP,CBZ,RAR and CBR format *Page Turning: Choose from slide or curl *Viewing Directions: Choose from opening left to right / right to left *Page Spacing: Choose form wide / narrow / none *Facing Pages: Choose the pair of facing pages by setting the cover to on or off *Trim function within the range of page display *Cache pre-read function for the previous and next pages *Set the display for each book and remember the page number of the last page read *Text search function (list display type) *Contents function (page images, PDF bookmarks) *Bookmark function (with editable memos) *In-page link function *Link to outside URL function *Page turning function using tap or swipe *Expansion / Contraction function using pinch and double tap *Viewing of encrypted PDF files with password protection *Display / non-display of statusbar when reading Bookshelf: *Display form: Choose form list bookshelf / visual bookshelf *Cover editing function (corresponds to the trim) *File editing function: create, move, delete *Bookmark list *Network transfer through Dropbox *USB transfer through PC *Direct transfer from other applications Special thanks to, "Give My Regards to Black Jack" SHUHO SATO Manga on Web http://mangaonweb.com

Version history

6 versions are listed, going back to v2.8.17. Since v2.88.1 it requires Android 5.0+.

All 6 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Aug 13, 2026.
  • Certificate issued to “?????????” This is the certificate of the Google Play version.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature verified Aug 13, 2026
  • Validated against Google Play Aug 13, 2026
  • Signed byCN=????, OU=????, O=?????????, L=????, ST=???, C=jp
  • Signing certificate (SHA-1)F9:48:F0:18:94:5C:3B:C0:B9:CC:8B:C2:CF:68:30:4C:E2:A7:46:81
  • File MD5598434024a29b0d4f563110bbed95174
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (8)

SideBooks - PDF&Comic viewer requests 8 permissions, 2 of them sensitive.

Required hardware & features

SideBooks - PDF&Comic viewer APK: questions and answers

Is there a version of SideBooks - PDF&Comic viewer for older Android phones?

The current version needs Android 5.0 or later. Version 2.8.20 is the newest listed build that installs on Android 4.4 and later. Get version 2.8.20 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the SideBooks - PDF&Comic viewer APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 598434024a29b0d4f563110bbed95174.

Tags

More Books & Reference apps