Alarm Calendar Plus is an Android app that offers a wide range of features to help users manage their alarms effectively. The app is developed by Moyou and is available for free on the Google Play Store. It falls under the Lifestyle category and comes with a variety of features that make it stand out from other alarm clock apps.

One of the most useful features of Alarm Calendar Plus is its ability to sync with Google Calendar. This allows users to import their appointments and use them as alarms that fire at the start or reminder time. Users can also set filters to refine the appointments they want to be synced. The app also supports national and personal holidays and allows users to add custom groups.

In addition, Alarm Calendar Plus offers a variety of alarm sounds including music from the SD card and system TTS. Users can also set up multiple timers, use the snooze function, and dismiss alarms by math question or shake count. The app also comes with a widget for the next alarm time and a vibration function.

Overall, Alarm Calendar Plus is a comprehensive alarm clock app that offers a lot of useful features to help users manage their time effectively. The only downside is that the free version comes with ads and restrictions on the number of alarms that can be set. To remove these restrictions, users can consider purchasing the premium version.