Ionic is a complete open-source SDK for hybrid mobile app development. Ionic is built on top of Angular. Ionic provides tools and services for developing hybrid mobile apps using Web technologies like CSS, HTML5, SASS. App stores and apps can be built with these Web technologies and then distributed through native to be installed on devices by leveraging Cordova.
For more : https://ionicframework.com/
For more : https://ionicframework.com/docs/native/
AngularJS is a toolset for building the framework most suited to your application development. It is fully extensible and works well with other libraries. Every feature can be modified or replaced to suit your unique development workflow and feature needs.
For more : https://angularjs.org/
For more : https://nodejs.org/en/