Via Social Media Optimization and Google SEO
I don’t know why this is such a hard question to find an answer for in Google. It was a hard question to find an answer for several years ago when we became iphone app programmers and began developing on the iOS platform for apple apps and it’s still hard to find an answer for it. So here’s the short answer:
You take 70%. Apple takes 30%. You get paid monthly. Done.
You’ll find the answer at http://developer.apple.com/programs/ios/distribute.html