ImproVox

ImproVox is the original vocal instrument for iPhone. Real-time pitch correction and harmonization enable you to create lush harmonies as you sing - and always sound in tune! Add vibrant textures with effects like reverb and echo, then record your performance and share it with friends.  

With state-of-the-art audio processing and a sophisticated yet intuitive feature set, it’s both easy to enjoy and a challenge to master. All it takes is the desire to explore -- and create.

Features Include:
-Real-time pitch correction
-Real-time harmonization
-effects including reverb, echo, ring modulator, flanger, and more!
-Recording and overdubbing
-Share via SoundCloud or email
-Import tracks from your iTunes Library
-AudioCopy and AudioPaste support
-Audiobus support

Headphones required