This video shows how to build and test a complete Ionic app with an API backend. The tutorial starts by showing how to create an app backend with API Express by connecting to an external REST API. Then, the tutorial shows how to build an Ionic app and import the backend service into the app. The tutorial also shows how to make a small change to the generated code. The tutorial then shows how to test the app in the browser and also on a device using the Appery.io Tester app. Lastly, the tutorial shows where to build a binary file for iOS or Android for submission to an app store.

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