Support
iPhone, iPhone Duo and iPad
How do I unlock grades 4–6?
On the home screen, tap Grades 4–6 Course Pack. Complete the parent check and tap Enter Parent Area. Check the local App Store price. One purchase unlocks all three grades. After a purchase or restore, look for Full Edition on the home screen. All six grades are available. View the Full Edition home screen.
How do I restore on a new device?
Sign in to the App Store with the Apple Account used for the purchase. Connect to the internet and choose Restore Purchases in the parent area. Learning records are stored locally.
What changes when I fold iPhone Duo?
Pause, progress and hints are accessible in the right sidebar during practice. The layout adjusts and your current input step stays in place.
How can I adjust sound and haptics?
Settings has separate controls for sound, animation intensity and haptics. The app skips haptic feedback on devices without supported hardware.
Contact the developer
Email support at sunkai4u@gmail.com.
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