Holo Blue Theme - Free is a theme for Period Calendar on Android that replaces the pink color scheme with a blue holo design. It is developed by ABISHKKING and is available for free. The program is compatible with Android 9.0.

To use the theme, users must download the latest version of Period Calendar, open the app, click on "settings" from the home page, then select "theme" and choose the Holo Blue Theme. It is a simple process and can be completed in just a few steps.

Overall, Holo Blue Theme - Free is a great option for those who prefer a blue color scheme over the traditional pink of Period Calendar. It is easy to install and use, and it is completely free. If you have any questions or concerns, you can contact the developer at