<ul data-eligibleForWebStory="true"><li>Swiss privacy software firm Proton sued Apple in U.S. federal court over App Store rules.</li><li>Proton alleges Apple monopolizes iPhone app distribution and imposes excessive developer commissions.</li><li>The lawsuit claims Apple forces developers to use its payment processing services and imposes a 30% commission on most transactions.</li><li>Proton aims to win a court order compelling Apple to allow competing app stores and payment processors on its iOS platform.</li></ul>

Swiss privacy tech firm Proton sues Apple in U.S. over App Store rules

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