Take a look at your app. Notice the collection of buttons, text, images, and other controls you can see and interact with that make up your app’s user interface. When one of your customers navigates your app with Voice Control, Switch Control, VoiceOver, or any other assistive technology, this isn’t the interface they’re using. Instead, iOS creates a version of your interface for assistive technology to use. This interface is generally known as the accessibility tree. Apple often refers to this as your app’s Accessible User Interface. For brevity and consistency in this article, I’ll refer to it as the AUI