If you see a Truecaller notification on top of your screen, it's because the app has identified an incoming message as potentially important or fraudulent and is notifying you. We call this Message ID, and it works similarly to Caller ID for calls.
If you see a Truecaller notification on top of your screen, it's because the app has identified an incoming message as potentially important or fraudulent and is notifying you. We call this Message ID, and it works similarly to Caller ID for calls.