It really depends on the type of app you’re offering and your user acquisition costs/strategy. Freemium games with in-app purchases and ads worked for me but I

It really depends on the type of app you’re offering and your user acquisition costs/strategy. Freemium games with in-app purchases and ads worked for me but I’m sure paid apps in top categories can do amazingly well. I recommend you do some research in sensor tower to get an idea of the landscape.