When you plan to develop the apps for Android, you should have clear plan for it. Here I have infographic which show us 5 ways to make money from Android apps either using in-app ads,pay per download apps,freemium,notifications and paid apps.
Applying strategy during development while trying out different models and applying the best fitting model to your app will ensure a good profit off of your application. Start earning big today with the right model for your application. I believe this model also can be used in iOS apps.