Easy to understand because it can be managed with color-coded task!

・Display : grid view, list view etc.
・Category classification : Any number can make the category of the original.
・Badge : Shows the number of unchecked.
・Search function : Search by keyword possible.
・Character: You can change the size of the character. Bold also selectable.
・Backup: It supports file sharing of iTunes
・You can shift the screen left and right swipe .