Registered from the app.

iOS

You can cancel auto-renewal by going to the settings screen in the order of “Settings” App > tap your user name > “Subscription”. Please do this at least 24 hours before the last day of expiration.

Android

You can cancel auto-renewal by going to Google Play Store > Menu Icon 3 > “Subscription”. Please do this at least 24 hours before the last day of the expiration date.