Agree with this. React Native development is just a horrible overall experience. The ecosystem is fragmented in so many ways with so many strange third party dependencies. It seems as if there is no 'best practice' yet. Its performance and resource usage hasn't been great either, compared to native.
After messing with it for a couple of months, I would much, much rather duplicate my work with native Swift and Java/Kotlin codebases than one huge spaghetti code javascript codebase that I don't understand.
You can actually use Kotlin on iOS, look at the jetbrains samples for Kotlin/Native. You still need to use the iOS frameworks of course but all the genuinely OS independent code can be shared.
After messing with it for a couple of months, I would much, much rather duplicate my work with native Swift and Java/Kotlin codebases than one huge spaghetti code javascript codebase that I don't understand.