It uses the same design as React, letting you compose a rich mobile UI from declarative components.
With React Native, you don't build a "mobile web app", an "HTML5 app", or a "hybrid app".
You build a real mobile app that's indistinguishable from an app built using Objective-C or Java.
React Native uses the same fundamental UI building blocks as regular iOS and Android apps.
React Native lets you build your app faster. Instead of recompiling, you can reload your app instantly.
With Hot Reloading, you can even run new code while retaining your application state.
React Native combines smoothly with components written in Objective-C, Java, or Swift.
It's simple to drop down to native code if you need to optimize a few aspects of your application. It's also easy to build part of your app in React Native, and part of your app using native code directly - that's how the Facebook app works.
Open source is a philosophy that promotes the free access and distribution of an end product, usually software or a program.
Bluetooth Low Energy is a power-conserving variant of Bluetooth personal area network (PAN) technology, designed for use by Internet-connected machines and appliances.