If you mistakenly paid for subscription twice, you can get a refund. However, purchasing Todo Math is done through the Apple's App Store or the Google Play Store. Therefore, you need to request a refund directly from the Apple App Store or Google Play Store where the payment was made. Please proceed with the refund request according to the guide below.
Refund for a one- or two-year- subscription from App Store (Apple iPhone, iPad)
- Go to Apple's Report a Problem <2>page.
- Sign in to your account.
- Find Todo Math and tap the Report button.
- Select an appropriate reason for refund.
Refund for a one- or two-year- subscription from Google Play (Android)
In accordance with Google's policy, you must request a refund directly to Google Play. As soon as your request for refund is accepted, you will receive a cancellation statement at the email registered in your account.
In regards to Google Play refund, refer to this page.
If you need help with the process, contact firstname.lastname@example.org.