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. 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 supportHeadphones required