While this is not a common workflow for most people, we have found that yes you can use the iOne or iTwo with an Apple iPhone 5 or higher.
Please refer to our PreSonus hardware compatibility article for more information in relation to using our USB audio interfaces with iOS devices.
PreSonus Hardware iOS/iPadOS Compatibility
Please contact PreSonus Technical Support by creating a Support Ticket at My.PreSonus.com for further assistance.
>How to create a support ticket<