Calendar Notion is a utility tool designed for Android users seeking seamless integration with Notion for managing appointments and habits efficiently. Developed by Takahiro Nagano, this free app addresses the limitations of using Notion on smartphones by offering a quick and easy way to register and manage data directly from your device.

With Calendar Notion, users can utilize the calendar function to effortlessly register and edit appointments, add detailed notes, and utilize tagging options. The app also provides a todo management function to update and track completed and incomplete todos, along with a habit tracker function that allows instant data recording for habits linked to a separate database within the calendar.