Apple should return hundreds of millions of dollars to developers who claim the iPhone maker defied a U.S. judge’s order governing its lucrative App Store, causing them to pay inflated commissions for more than a year,

Apple is asking to pause App Store changes that were enforced last week. Amazon, Patreon, Spotify, and more have already made changes to iPhone and iPad apps.

A class action suit alleges that Apple undercut subscriptions and in-app purchases by refusing to comply with a court injunction.