To update the number of users, click on "Subscriptions."
Here you can view and update your subscription plan:
To see all details, click on your subscription plan:
Here you can see all the information about your plan, your invoices and add more users to your subscription. To see your overdue and paid invoices, click on the "View Invoices" button. A new slider panel will appear and show your invoices:
To add more users, click the "Manage Subscription" button. In the "Manage Subscription" page, adjust the number of users in the addons field and click "Proceed to save":
The next screen shows your updated subscription information with the pro-rata amount for the current subscription and the new value for renewal:
Click "Update Subscription" to pay the amount. You will receive an email with the updated information and another one with the invoice for this transaction. It will also update your subscription information in the app: