An Apple developer account costs $100 per year and with 20Million registered developers. $2B a year is more than enough to host an appstore. Or they can compet

An Apple developer account costs $100 per year and with 20Million registered developers. $2B a year is more than enough to host an appstore. Or they can compete in the free market and offer their payment gateway for a competitive fee, or they can do what google is doing and allow third party app installs.