"djay for iOS" can be purchased from App Store.
https://apps.apple.com/app/djay-dj-app-mixer/id450527929

Please refer to the Hardware diagram below for the functions controlled by [DDJ-200].
[Hardware diagram for djay for iOS]

Operating environment for djay
iOS version： iOS 11.2 or later

Supported devices
- iPhone XR
- iPhone XS Max
- iPhone XS
- iPhone X
- iPhone 8 Plus
- iPhone 8
- iPhone 7 Plus
- iPhone 7
- iPhone SE
- iPhone 6s Plus
- iPhone 6s
- iPhone 6 Plus
- iPhone 6
- iPhone 5s
- iPod touch (6th generation)
- iPad Pro (3rd generation)
- iPad Pro (2nd generation)
- iPad Pro (1st generation)
- iPad (6th generation)
- iPad (5th generation)
- iPad Air 2
- iPad Air