Camera Quick-Add for Subtasks
4.Do also lets you add multiple subtasks at once by taking a picture with Camera Quick-Add.
Tap the Subtask Camera Quick-Add button.
Grant camera permission if prompted.
Take a picture of your subtasks.
4.Do will parse your picture into subtasks. From there you can:
Tap a subtask to edit it.
Swipe a subtask to remove it.
Tap the add button to add all parsed subtasks to your task.