GhostDiary - Mood Daily Diary is a lifestyle application available on the iPhone platform. This app allows users to capture their daily life experiences using cute ghost characters. The app features various functionalities such as "Emotional Records" where users can record their mood as a ghost butler character and categorize entries by emotion.

With the "Daily Diary" feature, users can document their daily activities with icons and even add pictures and detailed entries for special days. The "Mood Tracker" function provides insights into recorded emotions and activities, helping users identify influencing factors. Additionally, users can organize different themes like travel or cooking diaries with the "Memo" feature.

GhostDiary also offers "Fortune Cookies" to start the day positively, themed calendars, password protection for diaries, and other features like notifications, font settings, and calendar image sharing.