VizWiz is an free Apple application. VizWiz lets blind users recruit remote sighted workers to help them with visual problems in nearly real-time. Users take a picture with their phone, speak a question, and then receive multiple spoken answers.
Compatible with iOS 8 and new screen resolutions of iPhone 6/6 plus
VizWiz combines automatic image processing, anonymous web workers, and members of the user’s social network in order to collect fast and accurate answers to their questions.
Since mid-2011, VizWiz has been used by more than 5000 blind iPhone users to answer over 50,000 questions. Most questions were answered in a minute or less, and all for free.