Tiny Tims Prank Calls is a free iPhone app developed by Voice Express LTD. It is a fun and entertaining way to prank your friends and family using the voice of Tiny Tim, a 3-year-old prankster. With this app, you can easily wind up your loved ones by dialing their number and recording the prank call.

The app offers a variety of hilarious prank call options to choose from, including classics like "Are You My Real Dad," "Calling in Sick," "Sorry I smashed Your Window," and many more. You can listen to the recorded prank calls and share them with your friends for a good laugh.

Tiny Tims Prank Calls provides a free call to get you started, allowing you to experience the app's features without any cost. So, if you're looking for a fun and harmless way to prank your friends, give Tiny Tims Prank Calls a try!