flutterflutter-packages
Is there a downside for using flutter packages?
Does using many packages in one app effect performance or bundle size?
I’m mostly familiar with web and trying to understand more about how it is when it comes to mobile apps.
Solution
As long as you are using good healthy packages (like from Google/Dart team and other well maintained packages), there isn't anything you need to worry about.
There is no significant performance issue you'd notice when using more and more packages but yes the size of your app will definitely increase.
You can find the health of package on pub.dev
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