VoiceOver is a screen reader produced by Apple. It comes as a standard feature when you purchase Apple Mac computers and laptops. It is the a screen reader that comes as a integrated feature of any operating system.

A version of VoiceOver is included on portable Apple products such as the iPhone and iPad to make these multi-touch devices accessible to people who are blind or vision impaired.

In addition to the standard features you would expect to see in a screen reader are some additional features such as gesture support, Braille display support and advanced Internet browsing.