Call Blocker - Stop spam calls
Call Blocker - Stop spam calls Summary
Call Blocker - Stop spam calls is a ad-supported, with in-app purchases Android app in Communication by CallBlocker.com. Released in Dec 2017 (8 years ago). It has about 912.8K+ installs and 30.3K ratings with a 4.50★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 18.6K monthly active users and generates around $<10K monthly revenue (41% IAP / 59% ads). Store metadata: updated Feb 27, 2026, version 266.
Recent activity: 1.3K installs this week (5.9K over 4 weeks) showing steady growth , and 30 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Mar 1, 2026. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Feb 18, 2026.
Store info: Last updated on Google Play on Feb 27, 2026 (version 266).
Call Blocker - Stop spam calls was last scanned for SDKs 2026-03-01. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Bumptech
Square
Kotlin
Airbnb Engineering
Google
Facebook
Firebase
AdMob4.5★
Ratings: 30.3K
Screenshots
App Description
Identify and block automatically the most dangerous phone numbers
Block, identify and report suspicious phone numbers. Unknownphone.com brings you the most complete app to avoid phone scams, unwanted calls and extra charges in your bill. With more than 10,000,000 telephone numbers registered and identified in our website and a community with millions of users in U.K. and around the world, Unknownphone.com has the pleasure to bring you its official app.
BLOCK PHONE NUMBERS
- Do you want to know who is calling you? Are you annoyed by unwanted calls? With our app you will be able to block any phone number you want.
REPORT SUSPICIOUS PHONE NUMBERS
Search any phone number and check if it has been previously reported in UnknownPhone.com. Share your experience and warn our community.
IDENTIFY COMMERCIAL CALLS
Are you receiving calls and have no idea who is calling you? Do they refuse to identify themselves? Check the phone number with our application and find out who calls you. Verify the phone owner and block their calls.
AVOID THE MOST COMMON SCAMS
- Get the latest and most updated information on telephone scams in the U.K. Block suspicious phone numbers before they call you.
GLOBAL BLOCKING
- Block all international calls.
- Block all incoming calls from phone numbers that are not in your contact list.
- Block all calls with No Caller ID/Unknown/Hidden number.
OUR COMMUNITY
Unknownphone.com is the largest community on phone search and the biggest phone spam directory in the U.K. With more than 10,000,000 identified phone numbers in more than 30 countries.
Call Blocker is Unknownphone.com’s official phone block app and you will be able to access all of our services from your phone.
Optional subscription to our service
- Unlimited credits. Get information for all numbers you want.
- Automatic detection and block of up to 2000 dangerous phone numbers in your country.
- Automatically block No Caller ID/unknown/Hidden calls.
- Access without limitations all our records for any phone number.
- No ads.
- Auto-renewing subscription ($4.99 monthly / $9.99 3 months - price varies by country)
Call Blocker respects your right to privacy. Your contacts will never be public.
Privacy policy: unknownphone.com/privacy-policy
Terms of use: unknownphone.com/terms-of-service