The default version number of the app is 1.0.0.To update it, navigate to the pubspec.yaml file and update the following line:
version: 1.0.0+1
The version number is three numbers separated by dots, such as 1.0.0 in the example above, followed by an optional build number such as 1 in the example above, separated by a+
Both the version and the build number can be overridden in flutter build ipa flutter build ipa --build-nameand--build-numberrespectively
In iOS build-name uses CFBundleShortVersionStringwhile build-numberuses CFBundleVersionRead more about iOS versioning at Core Foundation Keyson the Apple Developer’s site.
You may also override the pubspec.yamlbuild name and number in Xcode: