The easiest method to store key or values and JSON objects are called as storage in the Ionic framework. In these various storages, engines are used. While in case of a web application, the storage will tend to use IndexedDB, WebSQL, and local storage. Various storages are available in ionic framework. Some of them are as follows: HTML local storage Cookie and session storage indexedDB WebSQL PouchDB Webservice/API storage Cordova storage.