How to move a task from one list to another?
Open TickTick on your iOS device and select a task to enter task detail screen.
Tap the current list name in middle of top bar, then a "Move to" screen will appear.
Tap a list you want the task to be moved into.
Option 2(Quick action swipe):
Swipe a task to the left, and then three icons with different background color will appear. Then tap the first icon with the yellow background color.
Tap on a list you want to move the task into.
Note that the red and blue quick action swipe features are discussed in section 4.3.9.