DU Caller

Identify and block unknown callers

Over 2 Billion Phone Numbers

Our global database provides more than 2 billion numbers. More than 10 million calls are filtered and about 100,000 Spam calls are blocked by users everyday.

Call history Scan

DU Caller scans each strange number for risk numbers to protect your security.

Identify incoming calls immediately

Identify unknown numbers and you can say goodbye to useless spam!

Block with just one click

Block all the calls you don't like. Only one click to block annoying phonecalls.

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