Change your plan inside QueRank, or uninstall the app from your Shopify admin. Uninstalling cancels the subscription automatically.
If you think you were charged in error, email support@querank.com with your store domain and the charge date. We reply within 3 business days, and any correction is issued through Shopify.
Refunds are otherwise handled under Shopify’s policies, as described in section 3 of our Terms of service.