Yes, you may use a credit card to purchase a ZipGrade subscription instead of using in-app purchases. From any browser, go to www.zipgrade.com
- Login via the link in the upper-right
- Once logged in, press your name in the upper-right and select 'My Account'
- The purchase option should be listed in green.
Note: All ZipGrade subscriptions are prepaid and non-recurring. You will NOT be automatically charged at the end of your subscription. Instead, you will be informed that your subscription is over and you may add time by making another subscription purchase through the app or the website. You may add additional time to your subscription at any point.