How do I cancel my subscription?

It depends on how you subscribed to a paid plan.

I signed up through Apple In-App Subscriptions

If you signed up through Apple In-App Subscriptions, you will need to cancel through Apple. This can be done directly from your device. For more information, visit https://support.apple.com/en-us/HT202039

I signed up on the Waitly Website.

If you signed up on the Waitly Website, you can manage your subscription under the settings menu in the upper right corner. Choose 'Profile' and navigate to the 'Subscription Details' section. Then, click on 'Manage Subscription,' where you will find the cancel button.