Vizwiz is described as 'VizWiz is an iPhone app that allows blind users to receive quick answers to questions about their surroundings'. There are four alternatives to Vizwiz for iPhone, iPad, Android and Android Tablet. The best alternative is Be My Eyes, which is free. Other great apps like Vizwiz are TapTapSee (Free), iDentifi (Free) and Seeing AI (Free).
iDentifi is an object recognition app to assist the visually impaired. Using advanced artificial intelligence, it allows a person to click a photo of virtually any object or text and receive a spoken description of the image or dictation of recognized text.