iPhone App Sales After 3 Months
blog.beetlebugsoftware.com
blog.beetlebugsoftware.com
Personally, I'd have a separate site that marketed the product and then directed purchasers to the AppStore. Getting less than $19.99 for something this useful is ridiculous! Make it easy to use with automatic whiteboard cleanup, annotations, and target it to the right industry and it should be worth a lot more.
It's possible using something like Griffin's Clarifi (macro lens), but you can't count on everyone having one.
It's not mobile though