Cool App i have been using a while, it currently goes for .99$
Well worth $19.99
App sniper will allow you to track which apps you are "sniping" go on sale.
Many developes drop their prices for only a few days, if not hours, With Appsniper you will never miss those great opportunities to pick up that App you have been waiting to go on sale!
App Sniper also displays hourly the new apps that have just been released!
Can't live without it!