Monthly plans automatically renew every 30 days. The billing happens automatically every 30 days until canceled by the customer.<br> 8.2.3. YEARLY PLANS: Yearly plans provide access to a certain quota per month. Unused credits expire after 30 days and will not be carried over to the next month. Yearly plans automatically renew every year. The billing happens automatically on an annual basis until canceled by the customer.<br> 8.2.4.