Here is the refund and cancellation policy at the core of our 30-day money-back guarantee:
"If you wish to claim a refund, you can do so within 30 days following your purchase of our Services. We do not grant refunds for recurring subscription payments if you cancel the Services after the renewal unless applicable law provides otherwise."
This and other conditions of our service can be found in our Terms of Service.
Note: Please remember that we cannot issue refunds for purchases made through Apple's App Store. However, you can contact App Store support for a refund.