How can you sell your app in the Google play store
If you want to monetize your apps by selling apps in the Google Play Store, there are a few additional steps you have to follow. In this situation, you need a Google Merchant account.
Please note: You cannot convert an already published free app to a paid one. So if you want to start selling an app, you should configure that before you publish the app on google play store
What does it cost to sell an app in the Google play store
Google play will also charge you for the sales of your app via a service fee.
As of January 1, 2022, that service fee is equivalent to:
For developers who are enrolled in the 15% service fee tier, the service fee is:
15% for the first $1M (USD) of earnings each year,
30% for earnings in excess of $1M (USD) each year.
For developers who are not enrolled in the 15% service fee tier, the service fee is 30%.
For automatically renewing subscription products purchased by subscribers, the service fee is 15%.