Apple can run Android, so you can have best of both worlds, ONLY ON iPhone/iPad.
So for those that don't mind the risk of downloading a virus on the android side...you can have both.
Not sure why Apple doesn't highlight this point in their ads more. Perfect for the indecisive or want it all folks.
Makes Apple the clear choice. For those that need a big phone...try glasses or wait for Apple's next big thing. ;-)