In-app purchases (IAP) are digital content or features that you can sell in a mobile app through ​Google Play or Apple App Store so your app doesn't have to process financial transactions. Examples of IAPs include subscription-based content or special game pieces. Analytics shows in-app purchases in the In-app purchases report.
The following is an example of an IAP through Google Play:
Learn more about in-app purchases through Google Play or Apple App Store.