If I can tell that your app is a Flutter app — and unless I’m stuck on an Android phone, I can always tell — your app is being uninstalled. Flutter looks wrong and behaves wrong and is just Google's modern reincarnation of Swing, which at least had its own display shape.
I will especially never use your web app if it is based on Flutter.
There's a reason that Electron apps get more grief from users of macOS than anything else, and Flutter is at least two steps worse than Electron IMO.
I will especially never use your web app if it is based on Flutter.
There's a reason that Electron apps get more grief from users of macOS than anything else, and Flutter is at least two steps worse than Electron IMO.