666 - Dont call them at 3am is a fun, spooky prank app for people who like to scare their friends. It's a great way to have a good time and get a good laugh, especially at 3am when you're alone in the house. If you like to prank your friends and family, you should definitely download this app because it's easy to use and it's free. All you need to do is to download the app, open it and start talking to the other side. You can also choose to call a number and have a video call with a number of your choice.