They are the same. Old version of flutter use outputs/apk/release directory but they changed it to outputs/flutter-apk recently . The old directory is kept for compatibility with other building tools.
Read moreWhere does flutter build apk?
By default, Flutter builds a debug version of your app.
Read moreWhat is a flutter apk?
This tutorial shows you how to build APK files for Android for applications developed using Flutter. APK (Application Package File) is a format used by Android operating systems for distribution and installation . After you build an application, it’s quite common to build APK files to be tested across different devices.
Read moreHow do I publish a flutter Web project?
Approach 1:
Read moreHow do I launch the flutter web app?
Create a new project with web support. Run a new project with web support.
Read moreCan run Flutter app on Android device?
To prepare to run and test your Flutter app on an Android device, you’ll need an Android device running Android 4.1 (API level 16) or higher .9 Kas 2021
Read moreCan we use Flutter for web application?
Build better web apps The web itself is a flexible platform, but Flutter is ideal for building web applications like PWAs or SPAs and bringing your existing mobile app to the web .
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