Support
If MouthFu fell over, made no sound, or your purchase is hiding in a tiny trench coat, contact us.
Contact
Email: bingtao1989@gmail.com
Include your device model and a short description of what went wrong. Screenshots are welcome; dramatic reenactments are optional.
Restore purchases
Open MouthFu, go to the unlock screen, and tap Restore purchase. StoreKit will check whether the current Apple Account already owns the unlock. Restoring does not charge you again.