I was looking for rar applications on the App Store, and I saw that WinZip was there, although the price was scaring knowing that OS X have a built in compress/decompress feature, no need to use WinZip, still, knowing that maybe some Windows nostalgic user wants to the WinZip app it would be better to have a lower price (even a free version). Why bother in paying a $99USD developer license if your app will probably sell 0 licenses.
Which remind me this: