If you have a Starter, Plus or Pro license of WP Ultimo, you can cancel it at any time you want. Just follow the steps below:
Access your account page through the link you received in your e-mail after buying WP Ultimo:
Use the email you provided during the purchase and your password.
This is your Account Page inicial screen:
To cancel your subscription, on the menu on the left, go to Renewing & Billing.
Click the arrow on the right to open a side window. Then, you should select the option that will cancel the auto-renew.
The system will show you a confirmation message, like the one below:
If you are sure you want to cancel your subscription, just click the Cancel renewals button. After this action, you will be asked to answer a quick survey, like the one showed below:
Done! Your subscription won't be automatically renewed:
You will have a valid key until your subscription expires. In case you want to reactivate your subscription, you will need to do it manually.