An iOS Developer on React Native

https://medium.com/ios-os-x-development/an-ios-developer-on-react-native-1f24786c29f0
It was hard to switch from Swift, but this developer has learned to embrace React Native. 

Comparing the Performance between Native iOS (Swift) and React-Native

https://medium.com/the-react-native-log/comparing-the-performance-between-native-ios-swift-and-react-native-7b5490d363e2
For mobile development, looks like the performance of ReactNative and Swift are very comparable.

React Native: Is It Worth It?

http://andydyer.org/blog/2017/11/27/react-native-is-it-worth-it/
React Native. Is it just a really fast way to develop really ugly apps?

React Native vs Real Native Apps

https://codeburst.io/react-native-vs-real-native-apps-ad890986f1f
Comparing Native Mobile apps to React. 

I’ve seen heaven. And it’s written in JavaScript.

https://medium.com/@mobitar/ive-seen-heaven-and-it-s-written-in-javascript-7476ba2f8c
Waxing rhapsodic about React Native.