The Mixpanel iOS SDK by Mixpanel allows API implementation to measure engagement in users' mobile experiences. Developers can track events automatically, manage identities, and register push notifications.
Deciding what metrics matter depends on the overall strategy goals and business model that aligns with your APIs. This is why defining the business model was one of the first steps in your decision series. Now we need to make sure our evaluation framework matches back up to what we set out to do.