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.
From Smart Currencies Exchange:
The SmartFX convertor is your real time "on the go" free to use currency convertor tool provided by Smart Currency Exchange, the UK's leading international payment specialist. Convert all world currencies anytime, anywhere.Choose from 100's of different currency pairs. To create your list of currencies pairs and watch live exchange rate information, click on the + icon to add your currency pairs.Remove a currency pair from your watch list using the Edit icon and pressing "-" next to the currency pair that you wish to remove.To subscribe to our weekly newsletter, request a call back or get a free quotation for an upcoming payment tap the info icon to contact us.