VOVO is a free voice modulation app designed for iPhone users, boasting over 112k downloads. With a simple interface, this app allows users to modify their voices with various effects such as thick, thin, slow, fast, and echo. Users can share their altered voices via social media messages, adding a fun twist to their communications.

Users can record using their iPhone or iPad microphone, listen to modulated voices with multiple effect sounds, and easily share them with friends. VOVO also offers the option to connect to iTunes and share files seamlessly. However, users should be cautious as the altered voices may lead to some unexpected and humorous moments.