Und wenn der Entwickler nicht widersprochen hat erscheint die iOS-App dort auch im Mac App Store.

https://developer.apple.com/documentation/apple-silicon/running-your-ios-apps-on-macos

iOS Apps on Mac runs your unmodified iPhone and iPad apps on Apple silicon with no porting process. Your apps use the same frameworks and infrastructure that Mac Catalyst apps use to run, but without the need to recompile for the Mac platform.

[…]

In some cases, you might choose to prevent your app from running on macOS altogether. For example, if you already have a macOS app, or your app relies on features available only on iOS devices, you can choose not to run your app on macOS.

[…]

After you sign the updated developer agreement, the App Store automatically makes compatible iOS apps available to users of a Mac with Apple silicon. However, if you’re already planning to ship a macOS version of your app, or if your app doesn’t make sense on the Mac, you can change your app’s availability in App Store Connect.