Epic Games, creator of the popular game Fortnite, accuses Apple of running its App Store as an illegal monopoly because it only allows in-app purchases on iPhones to be processed by Apple’s own payment system.

This illustration picture shows the logo from Epic Games displayed on a laptop and an Apple Logo on an iPhone in Arlington, Virginia on April 30, 2021. – In a court clash with potentially huge repercussions for the world of mobile tech, Fortnite maker Epic Games takes on Apple starting on May 3, 2021, aiming to break the grip of the iPhone maker on its online marketplace. – RESTRICTED TO EDITORIAL USE (Photo by Andrew CABALLERO-REYNOLDS / AFP) / RESTRICTED TO EDITORIAL USE (Photo by ANDREW CABALLERO-REYNOLDS/AFP via Getty Images)