App: Assets Resizing Generator
Developer: Alexander Roemer
Genres: Dienst­programme, Entwickler-Tools

Assets Resizing Generator takes 1024x1024 PNG image and turns into App Icon for iOS, iPadOS, watchOS + Complication and macOS. 
It uses the XCAsset Catalog format and it is always updated for future updates. It is free and without any In-App Purchased features.

Release notes: