You can still use the app. You get asked both to have the app get access to the MAID, and get access to location. If this is a problem, it is a problem because you said Yes to both. You could have said No. You can change that choice now.
If you go to Settings -> Privacy, the top two options in iOS 18 are:
* Auto-deny Advertising ID access
* Which apps have location access ("X always, Y while using the app" is summarized right at the top)
If you go to Settings -> Privacy, the top two options in iOS 18 are:
* Auto-deny Advertising ID access
* Which apps have location access ("X always, Y while using the app" is summarized right at the top)