Send us a note and we’ll work with you to figure our what’s not working. Email us at apps[at]treebetty.com and we’ll do our best to get things working to your satisfaction. If you’re still not happy, we’ll refund you via PayPal.
Unfortunately, Apple hides all payment information from developers so we have no way of giving you a direct refund. Fortunately, it’s easy to contact Apple directly and get a refund from them: