How could I do that?
Right, that I do know. If you have any .ipa file and wish to install it on an iPhone or iPad you can do it with AltStore. It was developed by rileytestut as a way to install his Nintendo Emulator, Delta. It requires access to a PC or Mac, and every 7 days or before one must refresh the apps and AltStore itself, the computer works as a sort of server, so if you have the program on startup the iDevice will try to autorefresh itself in the background. And if you forget you can just reinstall AltStore and once you open it on your iDevice you will be able to refresh the expired apps. Here I have Delta and Flappy Bird, the latter being sideloaded since it's no longer on the AppStore. So it is possible to install games that aren't part of the Apple Aproved Catalog
353 days ago (+1)
Ah, now that itself it's not so easy. You'll need either a Mac or Rent a virtual Machine running macOS, some sources say you need to apply to the apple developer program but I believe you don't really need to if you're not planning to upload it to the AppStore, and after that there are some programs that could compile the project. The project itself you would need to test first if it works on the iOS emulator that renpy has, if it does then maybe it would be worth the try, there's an option to build an XCODE project from the project itself, and that project is the one that you should be able to compile into an .ipa file. Well writing it made me realize it's quite a big "if" and even then it could not work well on iOS and troubleshoot such a niche platform definitely doesn't seem worth it.
Keep up the good work man, you're one of the few that prevented the uncanny valley with your characters, and I never thought a game of this nature could have compelling characters and catchy story lines. Cheers to you.