Tech Apple v. Epic Games trial: iOS App Store would be ‘toxic’ mess without review process, Tim Cook testifies May 21, 2021Mike Snider, USA TODAYComments Off on Apple v. Epic Games trial: iOS App Store would be ‘toxic’ mess without review process, Tim Cook testifies Apple CEO Tim Cook faced tough questions Friday in court about the iOS App Store and its practices requiring in-app purchases and 15%-30% commissions.