Who called - an application that displays information about an unknown number. It is an online caller ID anti-collector.

The application detects for free all unknown numbers that bother millions of people for the purpose of advertising spam or fraud.

On the screen of your phone you will see the status of the caller and decide whether to answer him or not. After the call you can request detailed information about the number and reviews of other users of the application about this phone number.

Our anti-spam application automatically generates a rating for each number based on reviews from many users.

Who called will help you deal with the following unwanted calls:
• Call centers
• Fraudsters
• polls
• Advertising calls
• collectors
• and other unwanted calls

Caller ID displays information that other users of the application left after talking with this phone number.

Who called: Caller ID will show the region of the call. In the application you can find information about the operator of the incoming call (to which operator the number belongs). You yourself decide to call him back or not if you missed this call.

Important information

• Our application with caller ID and anti-collector function is absolutely FREE
• An internet connection is required for the caller ID
• We do not identify your device in any way. Guest reviews remain anonymous
• Our caller ID is designed to combat telephone fraud and unwanted calls and not to seek personal revenge or intentionally damaging the reputation of the number owner
• If you do not agree with the rating of your number by other users - write to us we will understand the situation

You can always find out who called from an unknown number. Install this application and protect yourself from unwanted calls as much as possible.

Application functionality

• Caller ID displays information right on top of the call window
• Request information about any number including the region and the subscriber’s operator reviews of other users of our caller ID about this phone number
• Constant background update of the anti-spam database
• You can rate the incoming call and leave your review about the phone number
• Anti-collector - you will know in advance that the collector is ringing and you can block the call


Install the caller ID Who called and help block unwanted calls. Rate calls and use the ratings of other users for free!