Though iOS is, out of the box, more private than stock (non-AOSP) Android, nothing compares to a custom ROM. You can even debloat android and disable play services, if you don't want to risk bricking your device, or if there aren't any custom ROMs available.
Of course, the average Joe wouldn't do that, but I guess most people on HN are quite tech savvy.
Of course, the average Joe wouldn't do that, but I guess most people on HN are quite tech savvy.