Truecaller
Identify unknown callers, block spam calls and messages, and protect against fraud
Truecaller is a Swedish caller ID and spam blocking app for Android and iPhone that identifies unknown numbers, blocks unwanted calls and SMS, and flags potential scams. It also offers a free Scam Checker for evaluating phone numbers, URLs, and messages, plus a Travel eSIM for international roaming data.
Core features include real-time Caller ID, spam blocking, SMS fraud protection for suspicious texts and links, and in-app messaging. An AI-powered Caller ID provides fraud detection, spam flags, business classification, and comment summaries while the phone rings. The app is available in a free version and a paid Premium tier that removes ads and adds further protection.
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