This is a nice program, very well designed, but the search just isn't good enough. A search for a phrase will often return a list of possible functions if you don't find the right one, in this case you must know exactly the name of the function. The price is worth it, but search isn't going to cut it for me, so I'll stick with the website for now.

A very minor bug, if you select Window -> Comments Download, the request for you to register to update all comments doesn't come up, it only comes up when you click update all from the comments drop down.