Fake Caller ID - Fake Caller ID app provides users with a spoof caller id, and two free voice changer calls on a daily basis to make a call to their friends and pranks them in the voice of their girlfriend right at their fingertips.
Prank Dial - The #1 prank call site on the web!
Caller ID Faker - Caller ID Faker app helps users clear their way into becoming the ultimate prankster by making phone calls to their family members while hiding their caller ID and various other details.
Call Spoofer - Call Spoofer app helps users make a call on an unknown number by changing their caller Id, phone number, and voice to protect their privacy.
Change Voice While Calling - Change Voice While Calling is an app presented in the market by SmartApps Ltd.
Prank-Owl - Prank call your friends online for free!