Question

Truecaller application is made of which technology

Answer 1

I don't know if I know then I will tell you bye sorry

Answer 2

The service is a global telephone directory in both standard use and reverse telephone directory format that has caller ID, social media integration, and call-blocking functionality.[8][9] It uses crowdsourced data, which enables it to work even in countries such as the UK and India where public data is not available.

If U are satisfied with my answer then please sub my YouTube channel named as Shreyas Vakkund