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 Anthony Hall:
TitForTat Keep Track is a quick and easy way to keep track of whose turn it is. Do your kids argue about whose turn it is? Have you ever thought, "Who did that last?" or "Is it my turn?"Are you a teacher? You can keep track of who gets to be line leader or teacher helper, etc.Keep track of anything you like:-Chores-Car pool drivers-Buying lunch with friends-Drink rounds at the bar-Hosting parties-Running errands-Repetitive tasks at work-Buying snacks for youth sports teamsFeatures:-Add as many events as you like-Unlimited number of participants in each event-Manually or randomly assign turn order-Add avatar pictures for participants-View event history-Editable history