Hermes
JavaScript engine optimized for React Native
Check it out in the intro video
Faster App Launch
Hermes-powered apps launch faster, thanks to build-time precompilation of JavaScript into efficient bytecode.
Optimized for Mobile
Hermes is small in APK size, lean on memory, and starts instantly. It won't weigh your app down.
Easy Integration
It's simple to get started with Hermes in React Native apps. Hermes is open source and implements JavaScript standards.