We knows that iPad and iPhone with a back camera can be snap a picture but if you want to snap a paper document as digital copy sending out, you may find that the picture is quite small and would be distorted, the picture quality will not be comparable with any decent flatbed scanner. If you are looking for a way scan all document as scan to pdf on iOS device,do check out DocScan.
With DocScan app scanning and sending a document as PDF or zipped JPEG instantly, the scanned image quality is very close to what you can get from a flatbed scanner. By the way not only can scan paper document but also include scan whiteboards, receipts, business cards, posters, coupons, books and many more.
DocScan App Scan Pdf
The picture can import from photo albums or snap a picture directly, you can crop and straighten your page by document auto-detection and perspective correction.
Even those curled and folded document you may scan it very clearly.
In addition DocScan built-in PDF viewer for browsing pages in detail with zoom in / out, all the scanned document will be list with thumbnail, title, timestamps, number of pages, you can delete or reorder page in the list easily.
All the scanned pdf document can be export to Dropbox, Evernote, Box.net, Google Docs with OCR and WebDAV Server.
Download DocScan app for iPhone and iPad from iTunes app store (FREE).