ARPU = [Total Revenue for X Period] / [Total Downloads for X Period] Our Average Revenue Per User metric is less targeted at calculating the exact dollar amount an app is making per user and is more focused on understanding how different countries compare to each other. For instance lets say Candy Crush is making $1.5 per user in the US, and is making $1.0 per user in Germany. What you should be taking away from this metric is that Candy Crush is making 30% more money per user in the US vs Germany. So for instance if the cost to acquire a user in Germany was 50% of that in the US, the data would dictate that its more profitable to acquire users in Germany vs the US.