What do you think is a fair price, given what you get from Apple for that 30%?

I'd be more than happy for it to be 0%, but you do get a few things for that cut:

* Credit card processing

* Handling refunds (you need to do this manually on refund, just another thing to deal with)

* Some level of app discovery

* Distribution of app and files

My biggest problem with the 30% is that it is now the de-facto amount that other similar services charge developers for everything now (Google Play - there are others too that escape me now).