iOS is much better than Android in every sense
iOS is true Unix at every level. Apps are not run in a VM, and a jailbroken iPhone is vastly more powerful than an Android device.
|Structure of an SSH binary packet|
It's also nice if you like something simple that you aren't going to tinker with. So tinkerer, hacker or basic user, iOS is the best mobile OS out today (I am looking quite forward to Jolla and Ubuntu touch though).