WPtouch

Howdy all. I was wondering about the WPtouch plugin. I run the blog for a non-profit, and I know we’ve got quite a few iphone users in our membership, as well as a lot of regular iPhone folks out there who come to our blog.

I was wondering if the WPtouch plugin is worth it. Yes, lots of downloads, but I guess my real question is this:

If I install it, will it only activate for people that have an iPhone? (i.e. not screw things up for those who are on another mobile device or are on a regular computer?)

Thanks in advance.