#1 Voice Changer Plus
One of the best iOS apps and popular among lots of users that had tried it once. With this app, you can choose from dozens of fun voices and sound effects. It’s not just for talking – try singing with Bad Melody or Bad Harmony! Even play your voice backward and you just need tap record, say something, and tap again. To hear the same recording in a different voice, choose a new voice and tap play.
#2 Celebrity Voice Changer
First Ever Celebrity Voice Changer lets you change your voice to any celebrity voice instantly, just by talking into a mic. This is not a cheap voice effect, like every other voice changer on the market. So must give a try to this app.
#3 Voice Changer+
The another good app that you will surely like to use on your iPhone. In this, you will get over 800 voice combination for ultimate voice changing the experience for your iPhone, iPod, and iPad! Take control of your own voice recording with custom effects.
#4 Crazy Helium Booth
This app works quite similar to its name, Create Insanely hilarious Videos / Photos with funny Facial and Sound Effects. You can have a big head like Alien, Fat face or a Square chin and not to miss famous “Owl Eyes” and even mix different video effects to make your own.
#5 Voices 2
Just say something silly into your iPhone or capture a friend saying something particularly embarrassing. Then make it sound even MORE ridiculous with your choice of over a dozen different voices.