Zoomtext provides screen reading along with functions for users who have some functional vision, NVDA is a free product that supports many software products, while Window Eyes is available for free with Windows 10 and VoiceOver is native to Apple computers.
JAWS, which the oldest of screen reading technologies on the market, has a wide range of functions that allows that user greater ease of access to information and the computer environment, it is also the most expensive. Screen reading technologies vary in range of functionality, ease of use and price. The user does this by using keystroke commands to navigate and enter information - when doing so they receive audio feedback to tell them what information is on the screen. Screen readers allow users to navigate around computer operating systems, read as well as write to files, surf the web, search databases and operate software products. The primary assistive technology used by students who are blind is most often a screen reader. JAWS, Zoomtext, Window Eyes, VoiceOver and NVDA Listen Blind and Vision Impairment: Screen Readers