If you want to unsubscribe or cancel subscription, after logging in, navigate to the Settings - Subscription page. Under the “Current Plan” section, you will find a “Cancel Plan” button, as highlighted in the image. Click this button and follow the flow to cancel your subscription.

If you're using PayPal for subscription, you can cancel your plan in PayPal's cancellation page (https://www.paypal.com/myaccount/autopay/).