We use https to ensure that your information is secured during transmission.
Your credit card information is never transfered to our own server. We use Stripe to process the payments
and they collect the credit card information and provide us with a token to complete the transaction.
For Android Apps you can't get a refund because I have not way of knowing if you have uninstalled the app.
Please make sure you test the app and accessories before purchasing the app.
The Demo app has almost all functionality before making a purchase decision.