If for whatever reason you want to cancel your subscription, you can perform that action by visiting My Account and clicking Manage Subscription, then Cancel. You will then be presented with the following screen:
Selecting this option will suspend your account at the end of your current billing cycle at which point you will become a free Haste Rewards user. Until then, you will continue to receive all the benefits of Haste Pro. If there’s something we can do to address any concerns, please contact us at firstname.lastname@example.org.