With Scan Smart, the revolutionary scanning App, document scanning is never so easy before. 5-Star Features: 1.Intelligent: Why bother manually picking four corners of your doc? Just one click, let app do the rest. (Automatic detecting, Automatic cropping, Automatic optimizing) 2.Professional, and reliable, no matter how the paper is placed. 3.Amazing Clarity: Most detail, with least noise. Under elegancy and simplicity, there is our innovative noise-eliminating technology. 4. Fast: Optimized algorithm for iPhone. 5. Convenient: PDF or Image? It is your decision.