We do not currently collect any information whatsoever from our customers. The app is for purely educational purposes. If this changes, we will update this information in the future. However, even if we should ever collect any customer data, it will be strictly for our internal use and we will never sell it to any third party, ever. We live by the rule that you should never do to another human being what you do not what them to do to you. Feel free to reach out to us if you have any questions or concerns.