J:COMブックス

J: COM Books is one of the largest all-you-can-read electronic magazine services in Japan. We offer an "all-you-can-read course" where you can enjoy more than 1,000 magazines and an "NHK text course" where you can enjoy a variety of languages!

株式会社ジュピターテレコム · jp.co.optim.unlimitedcontents.jcombooks

5.0 out of 5 (1 rating) 500K+ downloads v3.4.0 29.3 MB Android 7.0+ PEGI 3 · Everyone

Download APK 29.3 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v3.4.0 (96)
Updated: Jul 15, 2025 (1 year ago)
APK size: 29.3 MB
Requires: Android 7.0+ (API 24)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Entertainment (app)
Listed since: Mar 21, 2023 (at least)
Permissions: 12 (3 sensitive)
Website: jcom.co.jp
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

J:COMブックス is an app by 株式会社ジュピターテレコム in the Entertainment category, listed since at least March 2023. 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 3.3.0, the APK grew from 22.6 MB to 29.3 MB and the minimum Android version rose from 6.0 to 7.0. It asks for 12 permissions, 3 of them sensitive: read phone status and identity, read shared storage and modify shared storage. It asks for the same permissions as version 3.3.0. The app offers in-app purchases through Google Play.

What's new in v3.4.0

軽微な修正を実施

Description

From the listing uploaded by “appupdater”.

J: COM Books is Japan's largest all-you-can-read electronic magazine service that allows you to enjoy various contents on your smartphone, tablet, or PC. There are two courses, the "All-you-can-read magazine course" where you can read more than 1,000 magazines, and the "NHK text course" where you can read language textbooks and hobby practical magazines. ◆ Features of J: COM Books ・ At the time of initial installation, you can read all the contents 24 hours a day without registering an ID! ・ You can see the program introduction booklet "J-COM Magazine" published by J: COM for free! ・ You can use up to 3 terminals at the same time with one contract! ・ After downloading the magazine, you can read it offline! ◆ "All-you-can-read magazine course": 500 yen per month (excluding tax) ・ Unlimited reading of 1,000 popular magazines such as "Get Navi", "Weekly Playboy", "NON-NO", "Hanako", and "footballista"! ・ There are plenty of recipe books that you can use every day and lifestyle information magazines that are useful for your daily life! ・ A wide range of domestic and foreign "Rurubu", street books, photo books, and readable mook books that can be used for travel! ◆ "NHK Text Course": 440 yen to 770 yen (tax included) per month ・ The genre pack is an all-you-can-read English textbook and several hobby and practical magazines! ・ Unlimited reading of the text you want to read for one year (excluding some) in the single item pack! ◆ Notes Please contact J: COM for application. Only Japanese is supported. Some functions cannot be used when not connected to the network. Since book information is large in size, we recommend using it in a Wi-Fi environment. Simply deleting the app will not cancel the service. This application acquires the customer's device information and content usage status. The privacy policy of the acquired information is in accordance with J: COM's privacy policy. Please refer to "J: COM Books Terms of Use" for the terms of use of this service.

Version history

3 versions are listed; the oldest rated Trusted is v3.3.0. Since v3.4.0 it requires Android 7.0+.

v3.4.0 LATEST Jul 15, 2025 29.3 MB TRUSTED v3.3.0 Jun 12, 2024 22.6 MB TRUSTED v3.0.1 Dec 27, 2020 16 MB UNKNOWN

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jul 15, 2025.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Jul 15, 2025
Validated against Google Play Jul 15, 2025
Signed byC=OPTiM
Signing certificate (SHA-1)C2:F6:6B:DA:E2:E8:43:62:30:3C:CB:95:B9:38:E5:43:55:B7:2D:1F
File MD5459b1a4620d0c04e2e20ae5742cd0afc
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 (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (12)

J:COMブックス requests 12 permissions, 3 of them sensitive.

Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

J:COMブックス APK: questions and answers

Is there a version of J:COMブックス for older Android phones?

The current version needs Android 7.0 or later. Version 3.3.0 is the newest listed build that installs on Android 6.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 3.3.0 · 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 J:COMブックス free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the J:COMブックス 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 other version checked. After downloading, check that the file's MD5 is 459b1a4620d0c04e2e20ae5742cd0afc.