1881 is a free app for finding out who is calling you. You will get to know the name and address of the caller and what they want to talk about.

You will also get to know if the caller is a spammer, a fraudster, or a legitimate salesperson.

You can also get information about the caller’s company and what they do.

The information is based on a number that you have registered with the app. You will not have to give your personal information or payment details.

The app can find out who is calling you even if your phone number is unknown. You will not have to give your name, address, or phone number.

It is free and it does not require any data.