you need to create a .net wrapper for the native library (it is same for maui). see docs:
https://video2.skills-academy.com/en-us/dotnet/maui/migration/ios-binding-projects?view=net-maui-8.0
note: net IOS uses the Maui build chain and tools, it just does not include the forms package and Maui startup template. Maui has poorly documented storyboard support but it's there. if you want to use SwiftUI, you will need to produce an objective-c wrapper, then a .net wrapper.