Supporting various D-day calculations Calculating the date not passing: test and trave(D-) Calculating the date that passed: Nonsmoking and diet(D+) Calculating the repeated date: Birthday and salarly(you can set X day, X week, and X month evey year) Even the exclusive calculation menu like couple and number of months from when the baby was born! Prettily and interestingly Providing the icons and background colors of various designs Wave animation which shows the progress state of D-day & anniversary. Providing all kinds of menus which appear joyfully Various functions Providing the top bar and widget is basic You can check the D-day & anniversary monthly by the calendar function, and even take note. It helps you not miss the D-day by the alarm function. Various setting fucntions and backup & restoration function