You should try to install the app using flutter run --release.In this way, you will see what kind of error the app throws during the crash.
Also, you cand find more info here if you haven't already checked the page.
you could run your app in --profile mode and get --release like performance and get the logs like in the --debug mode.
--profile
--release
--debug
you could find the Uncaught Exception then.
provide the logs if needed more help finding the issue.
:hearts