Paddle (https://www.paddle.com/) is the merchant through which we sell our apps. They are a UK based company that handles everything from payments to license key delivery and activation.
All orders on our website are processed through Paddle. In some cases, it is not possible for us to personally assist you with problems related to your order, such as changing your email address. If you have an issue with your license key, payment, or other problem related to your purchase, you need to get in contact with Paddle.
You can get in contact with Paddle here:
Don't forget to include which product you have purchased.