Golf GameBook offers monthly and annual Gold membership subscriptions. Both subscription models provide full access to Gold membership features.
iOS
Your subscription will be charged through your Apple ID, and it will automatically renew unless canceled at least 24 hours before the end of the current subscription period. You can manage your subscription through your phone's settings > Apple ID > Subscriptions. In the event of canceling your subscription, your current active subscription will continue until it expires.
You can find more information here.
Android
The subscription is processed through the Google Play store and is automatically renewed unless canceled before the end of the current subscription period. At any given time, you can manage your subscription from your Google Play Store settings. In case you cancel your subscription, your current active subscription will continue until it expires.
You can find more information here.