How to change flutter application name display on phone screen?

Android

Open AndroidManifest.xml file, make below changes

<application
    android:label="App Name" ...> // Your app name here

iOS

Open info.plist file, make below changes

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

To change your application name , you need to change it for Android and IOS :

You can use rename package to make it easy .

Just run this command inside your flutter project root

pub global run rename --appname "My application"

or

Edit AndroidManifest.xml for Android and info.plist for iOS

For Android, edit only android:label value in the application tag in file AndroidManifest.xml located in the folder: android/app/src/main

Code:

<manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <application
        android:name="io.flutter.app.FlutterApplication"
        android:label="Your Application Name"  //here
        android:icon="@mipmap/ic_launcher">
        <activity>
        <!--  -->
        </activity>
    </application>
</manifest>

Screenshot:

For iOS, edit only the value inside the String tag in file Info.plist located in the folder ios/Runner .

Code:

<plist version="1.0">
<dict>
    <key>CFBundleName</key>
    <string>Your Application Name </string>  //here
</dict>
</plist>

Screenshot:

Do a flutter clean and restart your application if you have a problem.