Mobile application ARPU (Average Revenue Per User) is a metric used to measure the average amount of revenue generated by each individual user of a mobile application. This includes all sources of revenue, such as in-app purchases, subscriptions, and advertising. It is a key performance indicator for mobile app developers and companies, as it provides insight into the profitability and success of their app. A higher ARPU indicates that users are spending more money within the app, while a lower ARPU may suggest the need for improvements in monetization strategies. Overall, mobile application ARPU is a crucial factor in determining the financial health and growth potential of a mobile app.