Useful features not miss! If you care about the time, this alarm clock app is for you!
-With time signal, timer and stopwatch features!
-Sync with Google Calendar, appointment (event) act as alarm!
-Can be managed for each group, configuration changes and ON / OFF is at once!
-Offer a calendar view, easy to know when alarm will go off!
-Wake up by your favorite songs or speaking clock!
-Support national and personal holidays!
-Save frequently used timer in the list!
-Pre-dismiss the alarm (time signal) by ring time notification!
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Do you feel the inconvenience of calendar app reminder (notification) feature? Alarm Calendar Plus will improve it. Appointment (event) of Google Calendar can be imported as an alarm that fires at the start or reminder time, so if your account is synchronizing with Google, you can manage the alarms even on a PC. It is also possible to set filters (title, location etc.) to refine the appointments (events) that you want to be synced.

National holiday informations can be got from the internet or Google Calendar, and register as a specific day group. Repeat alarm can be disabled (or enabled) in that specific days. Furthermore, specific day group can be customized, you can add a variety of groups such as "Personal holidays" or "Birthday of the family".

Can set your favorite songs (music on SD card) as an alarm (time signal) sound. Also support system TTS (Text to speech) engine of Android, alarm (time signal) can tell you the time and read any input text by voice.

Ring time of upcoming alarm (time signal) will be notified in the status bar 0-24 hours ago. You can dismiss before it starts buzzing without application launch.

[Other features]
* Rich repeat type: Specified date, Every day, Day of the week, Day of the month, Every few days, Every Nth weekday etc. (Moreover, it can be specified a period for repeated alarm)
* Alarm sound: Silent, Alarm, ringtone, Music(files on SDcard) etc.
* Time signal sound: Radio, Beep, Cuckoo clock, Wall clock, Cat, Cattle, Cock etc.
* Other than on the hour, time signal can be specified any time.
* Alarm history display
* Volume of each alarm (time signal) can be set from 0% to 100% of the system maximum volume
* Alarm volume gradual increase (prevents be surprised to loud sound suddenly), and auto silence.
* Dynamic adjustment of the snooze interval
* Widget for next alarm (time signal) time
* Vibration function
* Multiple timers at the same time
* Dismiss by math (caculation) question, shake time, shake count
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[Difference between the premium version and free version]
* Ad will be displayed
* Number of alarms (time signals) is restricted
To remove the restriction of free version, please consider purchasing the "Premium version" option.

[Note]
* When alarm is set up through Google Calendar on non-mobile device (such as PCs), please make sure that calendar are synchronized. In addition, please refer to the help of Google Calendar how to configure the national holidays in Google Calendar
* Reminder of the appointment does not notify the ring time, snooze and pre-dismiss.
* It is recommended to disable the notification feature of the calendar app when alarm set up is managed through calendar. For Google Calendar app users, please uncheck the "Notifications" item in "General Settings".
* Please turn on the TTS engine on your system before using TTS (Text to speech) feature. You are required to pre-install TTS engine that support local language for non-English languages.
* For those devices with original manner mode, please use the "Alarm on manner" if alarm does not work.
* When use the music files on the SD card as an alarm sound, if SD card is not mounted at the alarm time, or the music file is deleted or moved, the alarm will sound in the default ringtone.
* The alarm will not work when device is power off.