Apple faces antitrust investigation in UK over complaints of App Store policies Apple faces antitrust investigation in UK over complaints of App Store policies The UK Competition and Markets Authority noted that it plans to investigate Apple’s potentially dominant position in the supply of apps on iPhones and iPads. advertisement (Picture: Reuters) HIGHLIGHTS The CMA is reportedly in the process of setting up a dedicated digital markets unit to examine big tech issues, including mergers and competition. In addition to the UK, the European Commission has four ongoing antitrust probes for Apple, three of which involve the App Store.