This application is very simple and practical.
Make notes of what you should do and display them in chronological order.

You can also use it as a memo without entering a date.
On the calendar you can understand your schedule at a glance.
Multiple alerts can be set for an item.
Items can be divided into priorities.
Items completed are categorized.

If you are looking for a To Do application, there is no reason not to use this application, right?