I'm sure there will be many different views on this opinionated post by Andrea Bizzotto. I haven't explored Flutter at all, but I've always been open to better ways to make cross-platform apps. Andrea thinks Flutter is great, speeds up development tremendously, and makes a lot of things easier.
Interesting read if you want some insight on what may be the best way to develop cross-platform apps today. Check it out and to see a side by side comparison of a table view natively and with Flutter.
Flutter will change everything, and is an excellent choice for iOS development by Andrea Bizzotto