If you paid through the DWNLD Publisher App, please follow the below steps to cancel your current subscription.
Log in to iTunes > Click your user icon > Click "Account Info" > Click Manage Subscriptions > Cancel
UPDATE: As of July 8, 2016 we will no longer be accepting payment through iTunes.
To subscribe via the DWNLD Dashboard click here, then click the "Edit" button under "Billing Details" and enter your credit card information.
If you have any questions contact firstname.lastname@example.org.