Cancelling subscription / Uninstalling Post to Xero

Given Billing is handled by Shopify, to cancel the subscription, simply uninstall the app and Shopify takes care of everything.

To uninstall the app, follow the instructions provided by Shopify here: https://help.shopify.com/en/manual/apps/uninstalling-apps#

Once that's done, your subscription is effectively cancelled and Shopify will stop billing for you the app.