Remember when you did not get to that important meeting because you did not hear the reminder that you had planned?
In the real life if you are not near to the phone when a reminder becomes active, you will forgot it and their consequences can be unpredictable.
This app provides recurring reminders for the calendar events and fully solves the issue.
HOW IT WORKS
When a calendar reminder is triggered by the system a message is sent. This app captures the message and starts their work...
With this app you can configure the sound, vibration type and their pattern, led color, repeat interval and much more for the alerts in your Google calendars.
Also you can configure how a reminder stops: when manually stops, when the event starts or when the event ends.
Regular users can configure global settings, that are active for all the calendars, but PRO users can configure these options locally for each calendar.
PRO users can access to future exclusive functions and has prioriatry technical support. Also PRO users can't view Ads.
PREPARATION
You will need to set the sounds for each calendar, or a single overall sound for all calendars. You also need to disable notifications in your calendar application.
PRO
The PRO version allows many extra features such as the ability to configure each calendar separately, the ability to define don't disturb periods (during which not notified) [eg to don't receive events from your work calendar during the weekends], can set up to 4 shortcuts to easily delay alarms and locks the Ads.
MORE INFO
http://www.xda-developers.com/android/calendar-events-notifier/
Don't forget to contact if you have issues!