@residenzio.2227 for now there isn’t a way to migrate from web app to native mobile. Some elements on web cannot work on the native environment hence the need to be built with native parterns.
Example of this is the use of dropdown in WebApps, but in Native, yiu can use sheets to acomplish thesame thing.
For managing your project, both Web and Native share the same Database and Backend Workflow.
You can deploy to on Web or you can deploy to Web+Mobile
For more info you can refere to Bubble Manual (Native section)