日历清单 (CalendarTask) is a free and versatile calendar and task management app for iPhone. It offers a range of features that help users stay organized and productive in their daily lives.

One of the standout features of 日历清单 is its seamless synchronization across multiple platforms, including mobile phones, computers, and iPads. This allows users to access and update their tasks from anywhere, ensuring that they never miss an important deadline or appointment.

In addition to its task management capabilities, 日历清单 also provides convenient access to the lunar calendar, solar terms, holidays, and statutory holidays. This feature is particularly useful for users who want to stay connected to traditional Chinese calendar events.

The app also offers a transparent display option on the computer desktop, making it easy for users to view their tasks and deadlines without switching between screens. Users can set repeat tasks and reminders, as well as countdown days for important events. The app provides five different types of customizable cards, including birthday, exam, anniversary, festival, and default, which can be set as widgets for quick access.

日历清单 offers powerful calendar settings that allow users to personalize their experience. They can change the color, size, and number of rows displayed, among other options. The app also provides a free widget function, which allows users to view their tasks directly on the mobile phone's desktop.

For users who prefer a list view, 日历清单 offers a list mode that displays tasks in a clear and organized manner, facilitating quick browsing and prioritization.

With its comprehensive set of features and seamless synchronization capabilities, 日历清单 is an efficient and user-friendly calendar and task management app for iPhone users. Best of all, all of these features are available for free.