Apple Arcade no funciona así. Apple paga por adelantado a los desarrolladores por meter juegos en Apple Arcade, no se lleva porcentajes de nada.
De Wikipedia
Apple spent $500 million to launch Apple Arcade
. Apple pays app developers an upfront fee to create video-games for the platform and corresponds with some developers in the development process.[6] While Apple has not disclosed its real revenue from the service, researchers have estimated that by 2024, Apple Arcade subscribers will equate to around 10% of Apple's consumer base and generate $4.6 billion in revenue.[6]
Otra cosa es que las compañías consideren que les es rentable o no, eso ya...
