In this tutorial, we will use Firebase to build a real-time chat application. The most important aspect of building a messaging app is to learn to set up Firebase for iOS apps and to save the chat data into the database. Firebase can be defined as a service that acts as a backend provider.

Before reading this tutorial I hope you are already familiar with basic read and write operations on firebase. If you don’t know then I would recommend you to follow the below link to get a basic overview of firebase.