CODE EXAMPLE FOR DART

change name of flutter app

#Android
Open AndroidManifest.xml (located at android/app/src/main)

<application
    android:label="App Name" ...> // Your app name here
#iOS
Open info.plist (located at ios/Runner)

<key>CFBundleName</key>
<string>App Name</string> // Your app name here

#Don't forget to run
$ flutter clean