Node JS:

Node.js is a cross-platform open-source runtime environment for creating server-side and networking applications. Node.js apps are written in JavaScript and may be executed on OS X, Microsoft Windows, and Linux using the Node.js runtime.

Node.js also has a large library of JavaScript modules, which greatly facilitates the creation of web applications using Node.js.

React Native:

React Native is a JavaScript framework for creating natively rendered mobile apps for iOS and Android. It's built on React, Facebook's JavaScript toolkit for creating user interfaces, but instead of being focused on browsers, it's focused on mobile platforms.

It is an open-source javascript framework used to create native apps for platforms such as Android and iOS. Javascript, on the other hand, is a well-known and reliable programming language that is best recognized for its permutable design.