djay Pro provides a complete toolkit for DJs of all skill levels. Built exclusively for iPhone, djay Pro seamlessly integrates with your media library and Spotify, giving you instant access to millions of tracks. Pristine sound quality and a powerful set of features including high-definition waveforms, four decks, and video mixing give you endless creative flexibility to mix music on-the-go.
These guys do such a great job with their apps, I just love them.