On Android, GameGuardian requests Superuser (root) permissions to bypass restrictions and hook into game processes. Standard iOS devices do not give any app such administrative privileges.
For a user with a jailbroken iOS device, the theoretical IPA-based installation involves several steps: game+guardian+ipa+file+install
Getting your game account banned. Never use on online games. game+guardian+ipa+file+install
If you have a jailbroken iPhone or iPad, you can typically install the iOS equivalent through a custom repository: game+guardian+ipa+file+install