Ionic based on AngularJS is an important platform for building mobile applications because it offers a powerful combination of cross-platform compatibility, native-like experience, and fast development. With Ionic, developers can leverage the flexibility and power of AngularJS to build complex and scalable mobile applications that run on multiple platforms, including Android, iOS, and web. Ionic's pre-built UI components and tools make it easier for developers to build mobile applications quickly, without compromising on the quality of the user experience. Additionally, Ionic is an open-source framework with a large and active community of developers, providing reliable support and regular updates. As mobile applications continue to play a vital role in our daily lives, the importance of platforms like Ionic based on AngularJS cannot be overstated.

• Ionic is a popular open-source framework for building mobile apps using web technologies like HTML, CSS, and JavaScript.
• It is based on AngularJS, a popular JavaScript framework for building web applications.
• Ionic provides a set of UI components and tools for building mobile apps that look and feel like native apps on different platforms like iOS and Android.
• The Ionic CLI (Command Line Interface) provides developers with a set of commands for creating, building, testing, and deploying Ionic apps.
• Ionic supports a wide range of native features like camera, geolocation, and push notifications through the use of Cordova plugins.
• Ionic uses AngularJS for building the app's logic and data handling, making it easy to integrate with other AngularJS components and libraries.
• The Ionic framework is built on top of Sass (Syntactically Awesome Style Sheets), which allows for easy customization of the app's visual design.
• Ionic also supports the creation of progressive web apps (PWAs) that can be installed on a user's device like a native app.

Angular is used as the underlying framework for Ionic, which means that developers can leverage the power and flexibility of Angular to build mobile apps with Ionic. Angular provides the infrastructure for building complex and scalable applications, while Ionic provides the UI components and tools to build mobile applications.

Ionic uses a set of pre-built UI components, such as buttons, lists, and forms, which are optimized for mobile devices. These components are designed to look and feel like native mobile components, providing a seamless user experience. Ionic also provides a set of tools for testing and debugging mobile applications, making it easier for developers to build and deploy their apps.