Where's the Money? There are many ways in which you can make money from apps. Let's take a look at three of the most common methods used by mobile developers. App sales : This is the obvious one. You build an app and you sell it on Google Play. People buy the app, Google deducts its bit, and you get to keep the rest. The fact that people do not shell out money for app unless they are extremely useful and well-designed means that most developers do not make much money off paid apps. Advertisements : You build a free app that is either entertaining or useful. The simplest option is to create a free game . People download the app as it is interesting and free. You place advertisements in the app and make money from the ad impressions. This is the most popular method of monetizing an app. In-App Purchases : As the name suggests, you sell real or digital products through your app – it could be a game wherein you may persuade sers to pay real money for in-g...