The highly anticipated KNFB Reader app for iOS converts printed text into high quality speech to provide accurate, fast, and efficient access to both single and multiple page documents with the tap of a button on iPhone 5, 5C, and 5S.
The app includes many features that make it possible for blind users to obtain better reading results than other low-cost reading apps. A Field of View Report function helps to insure that you have positioned the phone's camera so that the entire document is visible. Vibration cues from the phone help you to be certain that the phone is completely level before scanning a document. Analysis functions automatically correct for many situations where documents are scanned at angles, such as signs.
Scanned documents can be read aloud with synthetic speech, including voices from Acapella, or read on your Braille display. Individuals with print disabilities will benefit from the synchronized speech and text highlighting capabilities.
As of this writing, owners of the app are reporting great recognition results, though some iPhone 6 Plus and iPad users are reporting sluggish behavior. The developers say that the problems are related to iOS 8, and will be fixed soon. The iPad, like the iPhone 4S, will run the app, but is not officially supported, and recognition results are inferior.
For a demonstration of the app, including video of it being used, look here.
Another demonstration (audio only) is here.
Another audio demonstration is available in two parts: part 1 and part 2.
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