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Android Apps > Communication > NumberBook- Spam Blocker
NumberBook- Spam Blocker icon

NumberBook- Spam Blocker

by TECH2M · Communication · Free
On Google Play since January 2014 · Data updated 2026-11-06

NumberBook- Spam Blocker is made and published by TECH2M. AppBrain is an independent app data site and isn't affiliated with TECH2M. The app name, icon, screenshots and description belong to TECH2M and are shown as published on Google Play.

AppBrain's verdict

EstablishedPopular
Rating on Google Play
3.84
188,223 ratings
Installs
27 million
Last updated
August 30, 2024
Ads
Contains ads
Size
28.3 MB

NumberBook- Spam Blocker is popular, with 27 million installs. Users are divided: 3.8 stars from 188,223 ratings. Its best ranking is #87 in Top Free, Communication in Iran.

Download on Google Play

User feedback

Ratings and reviews on Google Play

Comments on NumberBook- Spam Blocker for Android

★★★★★ Nafeesa Ibrahim · Jan 21, 2026
Please what is the problem with my number Book app? I noticed it was not functional a day before yesterday. I uninstalled it, and I tried to install it back, but it's not working. I'm seriously disturbed. Please help me and get it back.
★★★★★ elias sader · Oct 27, 2025
I changed my phone. I deleted the Number Book application in the old one. Now, in my new phone, trying to subscribe by WhatsApp(as required), no activation is done. I received several times: "invalid number". I have now the application without activation.
★☆☆☆☆ Amir Hesam Noroozi · Nov 28, 2025
After switching to a newer phone, I encountered this verification problem. WhatsApp, Telegram, and call/SMS options are all not working. Call/SMS error says my number is an invalid one. The exact number I used in my older phone when signing in to this app.
★☆☆☆☆ Ely AbouAntoun · Dec 27, 2025
I cannot log in to my number it says internal sever error I have tried many days what's the problem please

Google Play Rating history and histogram

120K
8.8K
8.1K
2.7K
46K

Store listing

By TECH2M, from Google Play

“The world largest verified community!”

NumberBook- Spam Blocker Screenshot 1 of 6
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NumberBook- Spam Blocker Screenshot 5 of 6
NumberBook- Spam Blocker Screenshot 6 of 6
Screenshots by TECH2M, from the Google Play listing
Description by TECH2M Written by the developer, not by AppBrain. Click to read.
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.
Download on Google Play

Safety and technology

Found in the app by AppBrain
Ads
Contains ads
Price
Free
Libraries
75
App size
28.3 MB
Needs Android
6.0+
Content rating
Everyone

Technologies used by NumberBook- Spam Blocker

29 permissions · 75 libraries
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
4.2.2
Launched
January 2014
  • Aug 30, 2024UpdateVersion 4.2.2
  • Feb 14, 2024UpdateVersion 4.2.0
  • Feb 5, 2024UpdateVersion 4.1.9
  • Jan 7, 2023UpdateVersion 4.1.9
  • Jan 6, 2023UpdateVersion 4.1.9
Show all changes Show fewer

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Installs

Tracked by AppBrain
Last 30 days
22 thousand
Per day
750
30-day average
Play install range
10+ million
Launched
January 2014

Installs over time

NumberBook- Spam Blocker has been installed 27 million times. Over the past 30 days, it averaged 750 installs per day.

Rankings

Google Play top charts
Highest rank
#87
Chart
Top Free
Communication
Country
Iran

Google Play Rankings for NumberBook- Spam Blocker

Top rankings

Rank Country Category List
87 Iran Communication Top Free
Show all market rankings

Ranking history in Iran

About the app and developer

About NumberBook- Spam Blocker

NumberBook- Spam Blocker is a communication app developed by TECH2M.

Download Statistics

NumberBook- Spam Blocker has been downloaded 27 million times. In the last 30 days, the app was downloaded 22 thousand times. It is ranked in the top 100 communication apps.

User Ratings

NumberBook- Spam Blocker is rated 3.84 out of 5 stars. The rating is based on 190 thousand ratings.

App Information

NumberBook- Spam Blocker is freely available from Google Play. The APK size is 28.27 MB. The latest APK version available is 4.2.2. The last update was on August 30, 2024.

Technical Requirements

NumberBook- Spam Blocker requires Android 6.0+ or higher. The app has a content rating of Everyone. The APK has been available on Google Play since January 2014.

App Performance Report

Get a detailed PDF report for NumberBook- Spam Blocker 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 TECH2M

TECH2M

support@numberbook.net

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Frequently asked questions about NumberBook- Spam Blocker

Is NumberBook- Spam Blocker free?

Yes. NumberBook- Spam Blocker is free on Google Play.

Is NumberBook- Spam Blocker still available?

Yes. NumberBook- Spam Blocker is on Google Play, and the last update we saw was on August 30, 2024.

Does NumberBook- Spam Blocker contain ads?

Yes. Google Play lists NumberBook- Spam Blocker as containing ads.

What Android version does NumberBook- Spam Blocker require?

NumberBook- Spam Blocker runs on Android 6.0 and higher.

How large is NumberBook- Spam Blocker?

NumberBook- Spam Blocker is 28.27 MB.

Is NumberBook- Spam Blocker suitable for children?

Google Play rates the content of NumberBook- Spam Blocker as suitable for everyone.

How many times has NumberBook- Spam Blocker been installed?

Google Play lists 10,000,000+ installs for NumberBook- Spam Blocker.

How do people rate NumberBook- Spam Blocker?

NumberBook- Spam Blocker scores 3.84 out of 5 stars, from 188,223 ratings on Google Play.

Who made NumberBook- Spam Blocker?

NumberBook- Spam Blocker was developed by TECH2M. It is listed in the communication category on Google Play.

What are the best alternatives to NumberBook- Spam Blocker?

People looking at NumberBook- Spam Blocker also look at these communication apps: Caller ID & Spam Blocker, Caller ID: Spam Call Blocker, Caller ID - Spam Call Blocker, Contacts & Spam Call Blocker, Smart Caller ID - Spam Blocker.

Share NumberBook- Spam Blocker

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Overview Alternatives History Reviews Rankings Technology
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