Ionic app is a hybrid mobile app framework. It is free, open source mobile UI toolkit for developing high-quality cross-platform apps for native iOS, Android, and a single one codebase.
Ionic Mobile App Builder (IMABuildeRz v1) is a web tool to build a template code for Ionic v1 (for ionic v4/5 use imabuilder v3) and also build backend for storage media without coding.
Ionic provides tools and services for developing hybrid mobile, desktop, and Web Apps based on modern web development technologies like CSS, HTML5, and Sass. Ionic mobile apps can be built with these Web technologies and then distributed through native app stores to be installed on devices by utilizing Cordova or Capacitor.