I mean you said it: Google sold Android has one thing but secretly stifled it from actually being that thing. Apple doesn't even offer iOS as a product, it's an integrated product component developed in-house just like their A-series chips. They don't offer the App Store as a product, it's an integrated product-component just like the Camera.
Apple took the console approach and Google took the Wintel-ish approach, and that led to a different series of business decisions that created a different set of market conditions involving a different set of business partners that created a different set of facts and a different set of case records when Epic sued them both. It's not like Apple didn't put anything in writing, but the stuff that made them look bad only made them look bad in the PR sense, not a legal sense. Apple's restrictions on the iPhone are technologically and contractually enforced through a standard agreement that every developer agrees to, whereas Android doesn't have any technological restrictions, just Google's lawyers going around paying off would-be competitors to not compete with Google Play which is a huge difference given that Android is supposedly open and that was one of its original selling points. Personally I still don't think Google should have lost their case with Epic at the District level, maybe hammered a bit under State antitrust law enforcement for the payoffs to not compete with them, but not lost to Epic; but they did lose their case at the District level to Epic so that's completely on them.
Apple took the console approach and Google took the Wintel-ish approach, and that led to a different series of business decisions that created a different set of market conditions involving a different set of business partners that created a different set of facts and a different set of case records when Epic sued them both. It's not like Apple didn't put anything in writing, but the stuff that made them look bad only made them look bad in the PR sense, not a legal sense. Apple's restrictions on the iPhone are technologically and contractually enforced through a standard agreement that every developer agrees to, whereas Android doesn't have any technological restrictions, just Google's lawyers going around paying off would-be competitors to not compete with Google Play which is a huge difference given that Android is supposedly open and that was one of its original selling points. Personally I still don't think Google should have lost their case with Epic at the District level, maybe hammered a bit under State antitrust law enforcement for the payoffs to not compete with them, but not lost to Epic; but they did lose their case at the District level to Epic so that's completely on them.