Is There A Free Call Blocker?

1. Truecaller, which provides caller ID, blocks SMS spam, and has a dialer. The vast majority of people make use of this free call blocking tool, which is designed to prevent calls and texts from being sent or received from unknown numbers. Using the Truecaller app will guarantee that you will not be bothered by telemarketers, spam callers, or any other number that you specifically want to avoid receiving calls from.