The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Abdul Rahim Khurram:
Turbo Scanner Edition transforms your iPhone and iPad into portable scanners. It allows you to scan multipage documents ,receipts, whiteboards, paper notes, or any multipage document and other text .You can quickly scan your documents and store or email them as multipage PDF or png files or Zip format.Scanned documents can be emailed and printed, uploaded to Dropbox, or simply saved on the iPhone and iPad with in Turbo Scanner.Turbo Scanner Edition boasts a powerful yet easy to use interface.Smart ManagementGroup management, manage all scanned documents smartly . Keep track your document by the time it scanned or last edit. Keep track the size of document and files.All processing happens on your iPhone and iPad, and the confidentiality of your data is never compromised (no Internet connection needed.) Document naming, storage inside the app Multipage editing: view, delete pages Email document as Zip , PDF or PNG, or save to camera roll Printing via AirPrint