SimpleTexting will automatically bill your payment method on file for your subscription each month. Billing is done every 30 days, starting from the day you first upgraded your account.
If you are not sure when your next billing date is, don't worry! This information is easy to access from your account. To find this out, log in, hover over your name in the top, right-hand corner of your account, and choose Billing. In the Payment Method section, you will find your next billing date listed.
Need to change your payment method? Learn how to here.