Android you can, with bulk surplus Nexus S and Galaxy Nexus phones because the binaries for the proprietary hardware have been released, albeit with very restri

Android you can, with bulk surplus Nexus S and Galaxy Nexus phones because the binaries for the proprietary hardware have been released, albeit with very restrictive conditions on what you can do with those binaries, so distribution is out of the question unless you're selling for bitcoins. iOS nothing has been released so you have to reverse engineer everything.