Not really equivalent though. Apple advertises and makes the whole app available on the App Store, delivers the whole app from their infrastructure, manages upgrades and back end services for the whole app, provide access to millions of customers and handle the financial transaction for the full cost of the app. It seems reasonable they get a percentage of the whole app’s price.

Meanwhile Qualcomm only own a few patents on a tiny sliver of the circuitry of one component for one function of the device.