> nearly as much as Android nah. AOSP is actually a full OS. All the GUI stuff and whatnot is open source. Apple only publishes the kernel sometimes. Not near

> nearly as much as Android nah. AOSP is actually a full OS. All the GUI stuff and whatnot is open source. Apple only publishes the kernel sometimes. Not nearly as much. > heavily based on FreeBSD Not that heavily. There is a mix of Mach and various BSDs in there, but also a lot, a looooot of custom Apple weirdness on top.