From your favorite social network or directly from HeyCosmoSM, just type your funny message and enter your friends’ phone numbers and we do the calling. You will be able to see when your friends answer your Prank. HeyCosmo Prankster will call your buddies anonymously or with your phone number—your choice.
Go to our Prank Stories page to see how other users are using Prankster for fun. You Prank your friends and they don't know it was you...unless you tell them.
Did You Receive a Prank?
If you receive a Prank Call from HeyCosmo and want to Prank them back, go to the HeyCosmo website, click “Got Pranked?” and enter your phone number and the Prank Call Code that you heard at the end of the Prank, then type your message and send it. Having fun is easy.
