in app purchase - Android In App Billing make a managed product free - Stack Overflow
You cannot change the price of an in-app product once it is published, and you can't sell an item for free. You will have to implement this yourself, maybe by keeping a record of SKUs that a user has access to that is
#in-app #change #yourself #can't #this
https://stackoverflow.com/questions/3...
https://stackoverflow.com/questions/3...