

According to statista.com research, the worldwide mobile payment revenue in 2018 was around 930 billion U.S. dollars and is expected to surpass 1 trillion U.S. dollars in 2019.
Thus, you may use your phone to carry out payments for physical goods online or make in-app purchases of digital products.
Both of the stores (AppStore and Google’s Play) charge a 30% fee for each user’s in-app purchase.
Here are some variations how you can use In-App Purchase:
A basic version of your app with additional premium features
A magazine app that lets users purchase and downloads new issues





