i never tried native script so i can't tell you for sure, but i hear that it produces code that works 100% on ios and android, whereas with React Native, it is

i never tried native script so i can't tell you for sure, but i hear that it produces code that works 100% on ios and android, whereas with React Native, it is platform dependent so you still need to modify code here and there to make it work. i'm not sure about performance though, i get mixed signals about it.