According to the Epic-Apple case ruling, revenues from gaming applications account for about 70% of all App Store revenues. The court stated that less than 10% of the app store's users generate that 70% of the revenue. Plus, over 80% of all accounts generate no revenue for Apple at all, and 80% of all apps in the App Store are free.
And note that around 90% of gaming revenues are generated by games made by large or huge companies.
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