Voice Changer : Change your voice to Robot, Zombie, Monster, Death, Squirrel, Child, Ghost, Alien, Motor Cycle, etc.
★ Voice Changer Calling : Call and prank your friend with your modified voice ! (Watch video tutorial on how to do this in https://youtu.be/HehlPAq-tug )
★ There are 40 amazing voice effects you can try on sleekcall. try it now !
★ Sleek call also Identifies unknown callers and blocks unwanted calls.
★ See names and photos of people who call, even if they aren’t saved in your phonebook.
To change your voice, you need to install sleek call on 1 phone. but if you want to use sleekcall to call and modified your voice, you need 2 phone installed with sleek call. more detail about this click : http://www.sleekcall.com/