It looks like I'm on an automatic payment plan, which I don't want. Can I undo this and pay each year?

When you purchase Hidden your payment will renew automatically each year.

If you would like to cancel your subscription and paid by credit / debit card you can cancel your subscription on your hiddenapp.com account page:

https://hiddenapp.com/account/

If you paid using PayPal you can cancel your subscription on the PayPal website.

1. Log in to your PayPal account.
2. Click the My Account tab.
3. Click the Profile subtab.
4. Click Preapproved Payments under the Financial Information heading.
5. Look for the subscription to Hiddenapp.com and click Cancel.