The nice thing about React Native is that you can always write native code if necessary. Though, I've used plenty of laggy native apps, so it's more about the s

The nice thing about React Native is that you can always write native code if necessary. Though, I've used plenty of laggy native apps, so it's more about the software engineering behind it than the technology used. Additionally, with JS most code runs on the UI thread unlike most native apps. If you use a web worker with RN you'd get similar behavior to your native app. https://github.com/devfd/react-native-workers https://github.com/devfd/react-native-workers