For example, the VoiceOver app reads the contents of the screen and provides audible cues as the user operates the standard mouse and keyboard. An accessibility client is an app that modifies the way users interact with their computer. Beginning in OS X version 10.2, Apple introduced the accessibility architecture, which defines how accessibility clients interact with apps running in OS X. Accessible apps enable individuals and support their viewpoints and working styles.Īpple’s commitment to accessibility is rooted in the Macintosh’s legendary ease-of-use and is enhanced by the Accessibility features in OS X. Accessible apps help users with disabilities access information and information technology.