CPB Books

Digital Library

Casa Publicadora Brasileira · br.com.cpb.reader

4.0 out of 5 (1 rating) 50K+ downloads v5.1.9 26.5 MB Android 8.0+ PEGI 3 · Everyone

Download APK 26.5 MB All versions

Same certificate as v3.1.5, which matches Google Play Details

At a glance

Latest version: v5.1.9 (97)
Updated: Feb 11, 2025 (1 year ago)
APK size: 26.5 MB
Requires: Android 8.0+ (API 26)
CPU support: Any (no native code)
Category: Books & Reference (app)
Listed since: Jun 10, 2023 (at least)
Permissions: 14 (2 sensitive)
Website: cpb.com.br
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

CPB Books is an app by Casa Publicadora Brasileira in the Books & Reference category, listed since at least June 2023. It has no native code, so it runs on any Android processor.

Since version 3.1.5, the APK grew from 20.1 MB to 26.5 MB and the minimum Android version rose from 5.0 to 8.0. It asks for 14 permissions, 2 of them sensitive: call phone and write settings. Compared with version 3.1.5, it adds 6 new permissions: “Access adservices ad id”, “Access adservices attribution”, “Read Google service settings” and 3 more. The app offers in-app purchases through Google Play.

Description

From the listing uploaded by “appupdater”.

The official book reader of Casa Publadora Brasileira. CPB Books is your digital book library. Download the titles of the Publishing House that you like best and always take them with you. All in a pleasant reading environment with full control over fonts and brightness, among other features. A product with CPB Digital quality. Share it with your friends! More Resources: • Allows you to change fonts, control font brightness and size • Buy, download and read easily

Version history

2 versions are listed, going back to v3.1.5. Since v5.1.9 it requires Android 8.0+.

v5.1.9 LATEST Feb 11, 2025 26.5 MB TRUSTED v3.1.5 Sep 29, 2026 20.1 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate issued to “Nyvra” This is the certificate of the Google Play version.
Same certificate as v3.1.5, which matches Google Play v3.1.5

Store checks and file details

Developer signature verified Feb 11, 2025
Signed byCN=Angelo Castelan Jr, OU=Unknown, O=Nyvra, L=Torres, ST=Rio Grande do Sul, C=BR
Signing certificate (SHA-1)C5:5A:8D:AF:96:BF:AC:F5:13:44:A7:F5:22:BC:71:87:AF:B1:F4:78
File MD565d387c0f3c55d7860e0787ebb4ac0f1
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 (14)

CPB Books requests 14 permissions, 2 of them sensitive.

Call phone Sensitive android.permission.CALL_PHONE
Write settings Sensitive android.permission.WRITE_SETTINGS
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
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
Internal broadcast protection (app-defined) br.com.cpb.reader.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Read Google service settings com.google.android.providers.gsf.permission.READ_GSERVICES
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait

CPB Books APK: questions and answers

Is there a version of CPB Books for older Android phones?

The current version needs Android 8.0 or later. Version 3.1.5 is the newest listed build that installs on Android 5.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 3.1.5 · 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 CPB Books free?

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

Is the CPB Books APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as version 3.1.5, whose signature matches the Google Play version. After downloading, check that the file's MD5 is 65d387c0f3c55d7860e0787ebb4ac0f1.