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 SmartDoc Technologies:
Don't leave money on the table. Get every dollar you have coming to you with the premier iPhone expense report app. This easy-to-use app enables you to collect all expenses while you are on your trip. When you get back, you can complete your report with the interactive PDF or spreadsheet versions that the app automatically creates for you. It's easy, it's fast and it will make sure you are fully compensated for your business travels. Try it for free for five business trips. After that, there is a modest investment to help make sure we can continue to support and enhance your iPhone expense report experience.