UnCall is the app to prank your friends using private numbers. UnCall call is an android app that you can call any numbers around the world without revealing your real number. When you call someone, they will receive your call as a private number or any four or five digits numbers and we have an integrated credit system so users can earn credits by watching reward video or buy credits through android in-app billing and UPI payment. It is a funny thing to call someone without showing your number