Email markdebarry@icloud.com and include your iOS version and what you were doing when the problem happened. We aim to reply within 2 business days.
Restore a purchase: open the paywall from any locked card or the home screen and tap Restore purchases while signed into the same Apple ID.
Cancel the weekly subscription: iPhone Settings, tap your name, Subscriptions, Feed107, Cancel. Apple handles all billing; refund requests go through reportaproblem.apple.com.
Every card carries its FAA citation. If you believe a card is wrong or out of date, email the card's title and citation and we will check it against current source material and ship a fix. Corrections make the app better for everyone, so thank you.
Progress is stored on your device. Deleting the app clears progress; purchases are always recoverable via Restore.