iOS is not, it's running apples version of BSD. Sort of related to Linux, which is where OPs misunderstanding probably comes from, but definitely not Linux.
The heck is a kernel?
A piece of software that is the core of each operating system which handles tasks like talking to hardware, scheduling tasks, allocating resources etc.
Android is running a Linux kernel, yes.
iOS is not, it's running apples version of BSD. Sort of related to Linux, which is where OPs misunderstanding probably comes from, but definitely not Linux.
The heck is a kernel?
A piece of software that is the core of each operating system which handles tasks like talking to hardware, scheduling tasks, allocating resources etc.