You can change your plan at any time. To do so, log into your PDF Mail Merger account and click on « Billing » in the user menu in the upper right corner:
On the « Billing » page click on « Manage subscription » under the currently active plan:
In the billing overview click on « Update plan »:
Select the plan you want to choose:
Read the following information carefully. Amounts already paid from your previous plan are automatically prorated. Confirm the change of your plan by clicking the « Confirm » button:
Your new plan is now active.