App monetization is making money from a mobile application through various ways including in-app purchases, in-app advertising, influencer marketing, and subscriptions (freemium models).

In-App Purchases 

Offering app users extra features or content to make them buy within the app. It is one of the favorite monetization methods among the developers of free mobile apps. 

In-App Advertising

Mobile app developers can monetize their apps by using different ad formats including interstitial ads, banner ads, native ads, playable ads, rewarded video ads, and video ads. There are three types of mobile ad revenue: Cost per Thousand Impressions (CPM), Cost per Click (CPC) and Cost per Action (CPA).

App Subscriptions (Freemium Models)

In subscription-based revenue model, app developers make app users pay on a monthly/yearly basis to get access to premium features. 

Influencer Marketing

It is another effective way of app monetization based on monetizing the user base or an app’s target audience. This is a common method among e-commerce apps that attract the attention of brands.