Today a friend sent me a link this wonderful website called freeappalert so I decided to share it with you. This website alert you immediately when a paid apple app become sudden free so it keep you up to date without the trouble of searching and give you the chance to get the apps before the its special promotion period ends.
Here is the site link
http://freeappalert.com

you can get those alerts by 3 ways

• Follow @freeappalert on Twitter
• Subscribe to RSS Feed
• via email :the best method

Another way I USED TO USE in order to get the latest paid apps that just became free by typing FREE THE APP in the search box in iTunes but this site make it easier for me ,no more seaching

ENJOY

PLEASE TELL us what do you think about the whole thing.