Note: The way you’ll store any data regarding in-app purchases is always a matter totally dependent on your app itself and the available mechanisms to save data locally.
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That protocol was presented on a previous tutorial about how to use protocols to manage app configuration. GameData structure adopts the SettingsManageable protocol for saving the values of its properties locally. The gameData instance of this structure keeps the data that regard the purchased products. You might find interesting the GameData struct which is defined in the Model class in the Model.swift file. Take a look around and familiarize yourself with it. For your information, the project was made in Xcode 11.1.Įven though the demo project is really simple, it’s built based on the MVVM architecture so it’s easier to focus on the various parts of it. It contains all the parts of the demo app which are not directly related to in-app purchases already implemented. There’s a starter project for you to download. Most importantly, by finishing the IAP related implementation, we’ll end up with a class that can be reused as-is or with slight modifications on any project after that. Then they’ll be available to be bought again.Īs you understand, our goal here is to make the in-app purchases working and the process described right above to be fully functional. If extra lives or super powers have been purchased, then tapping on the matching cells will decrease the number of the available lives or super powers respectively until they become zero.If no extra lives or super powers have been purchased, then by tapping on them the in-app purchase process will begin.Tapping on the first two cells has a double role: You can see in the above screenshot that the first two regard the consumable purchases, while the last one the non-consumable one. In order to keep things simple, contents are displayed in a table view with three cells. The last one about unlocking all maps, is a non-consumable product which can be bought only once by users. The first two purchases regard consumable products, meaning products that can be bought again and again once they’re consumed. You’re invited to unleash your imagination and write the plot of the game! Among the hypothetically provided features, it offers three in-app purchases (these are for real) that let users do the following: The demo application we’ll be building on in this tutorial is about a part of a hypothetical, fake game. Keep reading to learn about the demo application we’ll be using today, and get prepared to implement your first in-app purchases! About The Demo App If you haven’t done that before then you might find it complicated, but trust me that it’s not. Integrating and providing in-app purchases to an app is not a difficult task it just includes several steps in the way. That’s also a case which we won’t cover, but I invite you to extend what we’ll do in this tutorial when finishing it and add any missing features if you want so.
This content can be stored either on your server or in Apple’s servers. When using IAPs, it’s possible to have additional downloadable content that users get only after paying for it. In this tutorial we won’t discuss at all about subscriptions We’ll focus on consumable and non-consumable products only because it would be impossible to cover everything in just one tutorial. The content of the in-app purchase also differs.
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Users on their side are happy because they can have a taste of the app using its free parts, and they’ll be willing to buy the premium content if they’re satisfied by it.Īny purchasable digital item through in-app purchases is called a product.
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Editor’s note: This guide provides an extensive update to the original guide of In-app purchases.īy offering in-app purchases to an app, we, as developers, can keep content or features locked, hidden or unavailable from users unless they pay for it.
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