Firebase is a platform that includes many products that solve real problems in software development. It has a free version that has some limitations, but it fits perfectly fine when starting a mobile app from scratch. Once you have gained enough users, Firebase allows you to easily scale and support your product.
You can open the Firebase console (https://console.firebase.google.com/), where you have to create your project:
Then, you have to create a new project. Simply give it a name: InstagramLikeApp. Pick a location that will be used to define the currency in which you will be working with Firebase and this particular project:
Once we have a valid project, then we should add an iOS app. Start the process with the + button at the top left.
First, you have to enter your application identifier. You can use something...