It isn't. Simulators are still a thing, but they're not like Corellium. They may look like iOS but they can't run iOS apps or iOS binaries (apps have to be comp

It isn't. Simulators are still a thing, but they're not like Corellium. They may look like iOS but they can't run iOS apps or iOS binaries (apps have to be compiled specifically for the simulator). That's because the simulator is just an app that looks like iOS, but works completely differently on the inside.