https://www.vice.com/en_us/article/n7v3bx/original-jailbreak-app-store-cydia-sues-apple-for-its-monopoly

The iPhone's original—and unofficial—app store has sued Apple, accusing the company of having a monopoly on the distribution of apps.

Cydia, an app store created and launched in 2007 by Jay "Saurik" Freeman, one of the original jailbreakers filed the lawsuit against Apple on Thursday.