React Native enables you to build world-class application experiences on native platforms using a consistent developer experience based on JavaScript and React. The focus of React Native is on developer efficiency across all the platforms you care about — learn once, write anywhere. Facebook uses React Native in multiple production apps and will continue investing in React Native.
This is a framework that lets you build native iOS and Android application by using javascript backed by native iOS and Android component. So react native utilize both the advantages of Native app and Hybrid app functionality.