Call Blocker - Stop spam calls
Communication
1 Million+ installs
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- CategoryCommunication
- PlatformAndroid
- DeveloperUnknownPhone.com
- In-app PurchasesYes
- Installs1 Million+
- Updated2026-10-15
- Size21 M
- Version3.4.8
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Editor's Review
Developed by UnknownPhone.com, Call Blocker - Stop spam calls is a communication app available on Google Play. Its store tagline reads: "Block spam calls, look up suspicious numbers and control who can reach you." It has passed 1 Million+ installs, and users rate it 4.3 out of 5 across 30.7K ratings. The latest version (3.4.8) was released on 2026-10-15, so the app is still being actively updated. Good to know: it offers optional in-app purchases and needs about 21 MB of storage.
How To Use?
Block numbers that start with a specific prefix or sequence of digits
Block calls from numbers that are not in your contacts
Block international calls from numbers that are not in your contacts
Block calls with a hidden number or no caller ID
Block individual numbers you add to your personal block list
Google Play
Description
Getting unwanted spam calls? Check whether other people have reported the number and block calls you do not want to receive.
Call Blocker helps you block spam calls and look up suspicious phone numbers. Check community reports about unwanted telemarketing calls and potential phone scams, and choose which calls to block.
PROTECT YOURSELF FROM SPAM CALLS
Block calls from numbers identified as spam by UnknownPhone.com and its community. Update the spam number list in the app to include newly identified numbers and block their calls automatically.
CHECK SUSPICIOUS PHONE NUMBERS
Look up a number and read available information and community reports before calling back. Results depend on the information contributed by the community; not every number will have a result.
CHOOSE WHICH CALLS TO BLOCK
Alongside spam protection, choose the blocking options you need:
• Block numbers that start with a specific prefix or sequence of digits.
• Block calls from numbers that are not in your contacts.
• Block international calls from numbers that are not in your contacts.
• Block calls with a hidden number or no caller ID.
• Block individual numbers you add to your personal block list.
Enable the options that suit you and manage your blocked numbers in the app.
SHARE YOUR EXPERIENCE
Read more
Received a suspicious call? Report the number and explain what happened to help other people recognize unwanted calls and possible scams. SET UP YOUR CALL PROTECTION Follow the setup steps and grant the permissions needed for the features you choose. Functionality may vary depending on your device and Android version. Call Blocker is the official app of UnknownPhone.com. The app contains ads and offers an optional premium subscription with additional features. Privacy policy: unknownphone.com/privacy-policy Terms of use: unknownphone.com/terms-of-serviceScreenshots
4.3