No, ScriptVocalizer PRO is an Upgrade for ScriptVocalizer Standard Montly or Yearly Subscription.

Once you Upgrade your Subscription to ScriptVocalizer PRO you can use the PRO features inside your ScriptVocalizer account as long as you keep renewing your ScriptVocalizer standard Monthly or Yearly Subscription. You will not need to pay any additional fee for the PRO Features as long as your ScriptVocalizer Monthly or Yearly Subscription is active.