Maybe. The level of control both Google and Apple have in their mobile OS' (only Safari engine being allowed on iOS is an example) makes it much harder for som

Maybe. The level of control both Google and Apple have in their mobile OS' (only Safari engine being allowed on iOS is an example) makes it much harder for something else entirely to grow outside their ecosystem and them slam them from the left flank, like the web did to MS' dominance. I'm not entering into the debate whether such technical restrictions are have good (and benign) reasons, but they absolutely keep the control much tighter than it used to be the case on the desktop in Windows heyday.