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 Christopher McGrath:
Introducing "Time To Tip" the Baby-Boomer user friendly, tip calculator for the iPhone and iPod Touch.Need help calculating the tip? "Time To Tip" is the perfect solution. Enter in the bill amount, tip percentage, if you need to split the bill and "Time To Tip" does the hard work for you. + Having trouble reading the text? Just tap the plus button and increase the font size. + In a dark restaurant? Use the built in flashlight to get a better look at the menu or bill (iPhone 4/4s only). "Time To Tip" solves all of your tipping needs in a fast, simple, feature rich app.