Note that the option of creating new apps with the Ionic 4 framework was removed and we no longer support the projects that were created with it earlier.
Moreover, you are free to effortlessly migrate your Ionic 4 project(s) to their Ionic version with keeping both apps active.
Please check this page to learn how to do it.
Appery.io App Builder for Ionic 4 enables you to build mobile web and hybrid apps for iOS and Android. Please visit the App Builder features and benefits page to learn more or select a page in this section to learn how to build mobile apps.