Apple took a challenge against EU regulators to Europe's second highest court on Monday after they fined it 500 million euros ($587 million) earlier this year for breaching landmark rules aimed at curbing the power of Big Tech.

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.

Apple has filed appealed the EU's decision to fine the company €500 million (about $580 million) for not complying with competition rules.