3 ms·Darwin is only the kernel. iOS is closed-source.by jhasse 6y agoDarwin is only the kernel. iOS is closed-source.0df8dkdf 6y agoFor sure, the same way Linux is only the kernel. If you ask Stallman, he will say GNU/Linux. ;-)jhasse 6y agoyeah, so? Android's user-space is still mostly open-source. What's open-source of iOS is basically useless for developing an alternative OS for iPhones.