The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
Code2Mail reads barcodes and lets you store the results to be sent by email. This is very useful for expositions, where you need to scan and then get those contact details from a database. Geo localization info is also registered. EAN and QR codes compatible.