How hard is it to convert a blog-like website into an iPhone/Pad app?

From my initial research I am guessing the answer is “way harder than Qingu is capable of doing himself,” so this question comes with sub-questions:

1. Do you know of any reputable companies that could handle such a thing?

2. Price range?

The website in question is basically a Wordpress blog with a bunch of pages instead of posts. The pages are hyperlinked together like the pages of a book to form a story. There’s also some javascript show/hide plugins. But there’s nothing preventing it from being a self-contained app.