그림달력 is a versatile calendar application designed for iPhone users, allowing them to draw and write directly on their calendars using a pen or their fingers. This intuitive app enables users to quickly and easily document their daily activities through illustrations, making it suitable for personal journaling or as a desk calendar. The application also supports multi-device synchronization, ensuring that notes made on a tablet are accessible on a phone.

Key features of 그림달력 include the ability to add simple handwritten notes on specific dates, decorate the calendar with stickers, and attach photos for a personalized touch. Additional functionalities encompass a password lock for privacy, a comprehensive view of the calendar, and support for multiple devices, including iPads and desktops. Users can enjoy a free 30-day trial, with a one-time purchase option available for lifetime access.