How do you make 30k/ mo profit with an app that analyze traffic ? Has the user to pay everytime he wants to do an analysis ? If you do not sell any user related

How do you make 30k/ mo profit with an app that analyze traffic ? Has the user to pay everytime he wants to do an analysis ? If you do not sell any user related data and we should believe you this, you have to tell us how you make so much money with it..