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.”

A last-minute rule change lets European iPhone owners download apps from rival stores and developer websites, while introducing new fees that Apple hopes will satisfy regulators in Brussels.

Apple is updating its App Store linking rules and fees in the European Union to comply with the requirements of the Digital Markets Act, Apple