NumberBook- Spam Blocker

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NumberBook Directory · com.mobiles.numberbookdirectory

4.1 out of 5 (59 ratings) 10M+ downloads v4.2.2 28.3 MB Android 6.0+ PEGI 3 · Everyone

Download APK 28.3 MB All versions

Signature matches the Google Play version Details

Watch the NumberBook- Spam Blocker trailer on YouTube

At a glance

Latest version: v4.2.2 (457)
Updated: Apr 19, 2025 (1 year ago)
APK size: 28.3 MB
Requires: Android 6.0+ (API 23)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Graphics: OpenGL ES 2.0+
Category: Social (app)
Permissions: 29 (10 sensitive)
Website: numberbooksocial.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

NumberBook- Spam Blocker is an app by NumberBook Directory in the Social category. 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 4.1.9, the APK grew from 18.3 MB to 28.3 MB. Since version 1.1.23, the minimum Android version rose from 2.3.3 to 6.0. It asks for 29 permissions, 10 of them sensitive, including camera, read contacts and read call log. Compared with version 4.2.0, it adds 3 new permissions: “Access adservices ad id”, “Access adservices attribution” and “Access adservices topics”. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

Ratings

4.1out of 559 ratings

5 ★59%
4 ★8%
3 ★24%
2 ★2%
1 ★7%

Ratings from users of the source store — not collected or verified by AAPKs.

What's new in v4.2.2

Bug fixes

Description

From the listing uploaded by “saadchampion”.

Don’t stay behind while millions embrace their Numberbook experience! Stay only in touch with people you love, and don’t waste your time with unwanted communications without abusing your data or invading your privacy. Numberbook does not pretend to be the only one out there; yet it aims for true quality in its various features. Numberbook is a trusted, verified and safe community that helps you identify undesired calls or spam calls, granting you a more enjoyable daily mobile experience. It is a powerful guide that gets you covered and tells you the hot venues that are on your way. It centralizes all the contacts on your social media platforms with your contact list and makes that list smoothly restored when you are in need.

Version history

7 versions are listed; the oldest rated Trusted is v1.1.23. Since v4.1.9 it requires Android 6.0+.

v4.2.2 LATEST Apr 19, 2025 28.3 MB TRUSTED v4.2.0 Nov 9, 2025 25.8 MB TRUSTED v4.1.9 Nov 24, 2025 18.3 MB TRUSTED v4.1.1 Nov 9, 2025 14.5 MB TRUSTED v3.2.1 Nov 27, 2025 22 MB TRUSTED

All 7 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jul 17, 2025.
Certificate issued to “numberbookdirectory” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature not checked yet Jul 17, 2025
Validated against Google Play Jul 17, 2025
Signed byCN=numberbookdirectory, OU=numberbookdirectory, O=numberbookdirectory, L=newyork, ST=newyork, C=001
Signing certificate (SHA-1)1D:1E:21:D4:74:40:F6:12:66:C1:C9:2D:A2:21:82:66:35:A6:A9:D6
File MD5f0e2faedca2a4b2a5d56c578a9e5b241
Uploaded by “saadchampion” Bronze tier · 1,492 followers · uploading since 2018

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 (29)

NumberBook- Spam Blocker requests 29 permissions, 10 of them sensitive.

Answer phone calls Sensitive android.permission.ANSWER_PHONE_CALLS
Call phone Sensitive android.permission.CALL_PHONE
Camera Sensitive android.permission.CAMERA
Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read call log Sensitive android.permission.READ_CALL_LOG
Read contacts Sensitive android.permission.READ_CONTACTS
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Write contacts Sensitive android.permission.WRITE_CONTACTS
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Add home-screen shortcuts com.android.launcher.permission.INSTALL_SHORTCUT
Advertising ID com.google.android.gms.permission.AD_ID
Broadcast sticky android.permission.BROADCAST_STICKY
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) com.mobiles.numberbookdirectory.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Remove home-screen shortcuts com.android.launcher.permission.UNINSTALL_SHORTCUT
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
Use fingerprint hardware android.permission.USE_FINGERPRINT
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Wi-Fi android.hardware.wifi

NumberBook- Spam Blocker APK: questions and answers

Is there a version of NumberBook- Spam Blocker for older Android phones?

The current version needs Android 6.0 or later. Version 4.1.1 is the newest listed build that installs on Android 5.0 and later. Get version 4.1.1 · 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 NumberBook- Spam Blocker free?

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

Is the NumberBook- Spam Blocker 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 f0e2faedca2a4b2a5d56c578a9e5b241.