The European Commission says that Apple failed to comply with the Digital Markets Act rules to allow developers to accept payments for their apps outside Apple's ecosystem.

Apple is appealing the 500 million euro ($570 million) fine that it is facing in the European Union for allegedly violating the Digital

Today we filed our appeal because we believe the European Commission’s decision, and their unprecedented fine, go far beyond what the law requires. As our appeal will show, the EC is mandating how we run our store and forcing business terms which are confusing for developers and bad for users.