Here are some key cons of using Flutter for app development:
Flutter is a relatively new and immature technology compared to other frameworks, so there are fewer experienced developers and production applications to draw from[1][3]. The supporting libraries and tools are still in earlier stages of development[3].
Dart, the programming language used by Flutter, is not as popular as other languages like JavaScript, C#, Java, or Objective-C. This can make it harder to find developers already familiar with Dart[1][2].
Flutter apps tend to be larger in size compared to native apps, as they include the entire Flutter framework[2]. This can be an issue for apps that need to be lightweight.
Flutter currently does not support web apps, only mobile, desktop and embedded devices[2][4]. So if you need to build a web app, Flutter is not a good choice.
Flutter apps may not have the exact same look and feel as native apps on each platform, as Flutter implements its own Mater...
