HachiCalendar 2 Pro is a business and productivity app designed for iPhone users. It syncs seamlessly with the iPhone Calendar, utilizing push notifications for effective time organization. The app offers a range of features including synchronization with iPhone Reminder, a sleek and intuitive UI design, personal affair management, and various menu options for daily, weekly, monthly, and list views.

Additionally, users can quickly select dates, send affairs via email, utilize the search function, track MoonAge and Lunar calendar details, view holidays, and perform date calculations. With 15 background color options and the ability to set/remove holidays with a simple touch, HachiCalendar2 Pro offers a comprehensive solution for efficient time management.