Like I mentioned, tethered jailbreaks are not restrictive and from what I've gathered and require specific hardware and iOS versions (https://www.reddit.com/r/jailbreak/comments/1go8wy4/what_is_...). Sure, you can maybe jailbreak the latest iOS on specific devices, but it's a lot more restrictive in selection, and various devices have various levels of being able to be untethered.
Meanwhile, old Switches have a hardware vulnerability [1] and all newer ones can be jailbroken to their fullest with a modchip. Such pervasive coverage doesn't exist for iDevices to my knowledge.
