Yes. If you are not happy with the app for any reason, we don't mind giving you a refund.
For Apple users, go to https://reportaproblem.apple.com and login with your Apple ID. You will see a list of all apps you have bought and buttons to report a problem and request a refund.
For Android users, if the purchase is within 2 hours, you can get a refund on the Play Store following this process. If it is after 2 hours, contact us on email@example.com and we will arrange a refund.