Angular JS is a Google-powered front-end development environment that uses core Web technologies like JavaScript, HTML, and concepts of DOM and modularity. It is a highly capable front-end development option entailed with the trust of Google. There is a large community that is helping angular with numerous pre-built packages and all the widgets which are helpful during development.

React JS is the JavaScript-enabled library that empowers developers to reuse user interface views and numerous components that constitute the overall UI. The GSX compiled react JS codes are built on an Open-sourced project that does not support MVC architecture. However, ReactJS is one of the primarily considered options for UI development due to its smooth and highly responsive products.