Kpop Calendar - Idols Birthday is a free application developed by Yonoms for Android users. It falls under the Lifestyle category and offers users a comprehensive list of over 500 K-Pop idols' birthdays and debut days.

The app's main feature is its calendar, which allows users to navigate and find the anniversaries of their favorite K-Pop idols. Users can customize the calendar by adding their idols' anniversaries, making it easy to keep track of important dates.

Overall, Kpop Calendar - Idols Birthday is a useful app for K-Pop fans who want to stay up-to-date on their favorite idols' birthdays and debut days. The app is easy to use and provides accurate information, making it a valuable addition to any K-Pop fan's collection.