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

Apple Inc. appealed a €500 million ($580 million) fine from the European Union, calling the penalty “unprecedented” and the regulator’s required changes to its App Store as “unlawful.”