Can't use premium features after purchasing?
Upon completion of your payment, normally you can enjoy premium features. But if you can’t, please try the following steps:
Open TickTick on your iOS device and slide the screen to the right.
Tap the gear-shaped icon in the upper-right corner.
Tap "Upgrade to Premium".
Tap "Restore Purchases" at the bottom of the page.
If the problem isn’t solved, please contact us via email: email@example.com