Not too surprising. Multiple instances of the same app just region based. Read here for more details. http://www.theappsmachine.com/iphone-news-and-rumors/this-is-why-there-are-100000-apps-in-the-app-store/
It seems like there are 100 farting apps. Several gps related apps that do the same thing. Lots of restaurant apps, games, and other silly apps that seems like a good idea to many developers to make. There are only a few that stand out and to different people those are different apps. I will let you decide.