Manage sub-tasks
CheckBox gives you a simple task list.
You can add sub-tasks to a task.
You can add and edit sub tasks in a task list.
Choose your favorite theme
You can select a theme you like.
Work with Reminders
CheckBox shares its data with Reminders.
You change is applied immediately to Reminders.
See what you want to see
You can display multiple lists at the same time.
You can also hide a list.
Best text size
Text size changes by iOS setting.
You can see texts at the best size for you.
Motion effect
The background of the list moves as you move your phone.
You’ll happy to look all the time.
Support Apple Watch
You can check reminders without taking out your iPhone.
Add a reminder on your wrist
You can add a new reminder on your wrist.