Date Alarm (D-DAY) is a free utility and tool application developed by OK soft for Android devices. It helps users set alarms for important dates and events and displays the D-day on a widget. The app has a new function that allows users to add the date to the alarm, ensuring that they never forget important events.

One of the best features of Date Alarm is that it automatically backs up data to Google Drive every 24 hours when connected to WiFi. This ensures that all important dates and alarms are saved and maintained even after reinstalling the app. However, this feature is only available for Android devices running on version 6.0 or later.

Date Alarm is a simple and easy-to-use app that displays alarms as a calendar or a list. Users can also customize the app by changing the text and icon colors to their preference. Overall, Date Alarm (D-DAY) is a useful app for anyone who needs to keep track of important dates and events.