Aspire supports in-app tracking events for the following platforms; Adjust, Branch, Kochava, and AppsFlyer.
Below are articles on how to set up in-app tracking for each platform
How many in-app conversion events can I track in one offer?
Aspire gives you the ability to track one in-app event. Your one in-app event could be app installs, sign-ups, or anything else you have the ability to track in your application.