Annie is a lifestyle application designed for Android users to effortlessly remind them of important events and special days such as anniversaries and birthdays. With a user-friendly interface, it allows for easy setup of reminders with just a single touch, automatically adding and managing events. Users can also create photo albums for past events, enhancing the experience by preserving memories. The app features an intuitive events maker, enabling users to add, edit, or delete events as needed, along with an album editor to manage photos effectively.

In addition to its core functionalities, Annie offers a Day Counter feature that tracks the number of days to or from an event, providing a visual countdown. The app also includes a widget for quick access to upcoming special days without the need to open the app. For those seeking an ad-free experience with additional customization options, a premium version is available, featuring lunar dates, various fonts and themes, and a status bar counter.