> the App Store dramatically lowered the barriers to entry for developers Is there any platform with higher barriers to entry than the App Store? iOS development requires a proprietary toolchain only available on Apple hardware, programming languages hardly used elsewhere, not to mention the $99/year developer fee and the litany of vague and arbitrarily enforced rules and content guidelines for App Store release.
Just about everything that came before. Getting an app on a phone before meant you had to go through the carrier's store, where they had a 70/30 split, with you getting 30%. There's also selling your software in a box on a store shelf, where the distributor takes 50% off the top.