Calendar Alarm:For night shift
Best for irregular wake up
About
This alarm clock app is designed for individuals with irregular wake-up schedules, such as shift workers or those working from home. It simplifies setting alarms by allowing users to create and manage custom wake-up time patterns, preventing oversleeping with features like automatic calls and background startup.
What's New in Calendar Alarm
5.0.0
October 22, 2025
Fixed a bug that prevented four or more alarm patterns from being registered.
Developer apps
FAQ
Does Calendar Alarm have ads?
Yes, Calendar Alarm contains advertisements. This is how the app is supported as it is offered for free.
How does Calendar Alarm prevent oversleeping?
Calendar Alarm offers an automatic call feature as a snooze function. If you don't interact with the alarm after the scheduled time, you will receive an automatic call to help prevent oversleeping.
Can Calendar Alarm wake me up if my phone is on silent?
Yes, the alarm sound will be heard even in silent mode. This means you don't need to manually switch your smartphone's sound settings every time you go to bed.
How does Calendar Alarm handle irregular wake-up times?
You can register custom wake-up time patterns for different schedules, like early shift, late shift, or night shift. These patterns can then be easily linked to specific dates on a monthly calendar.
What is the rating for Calendar Alarm?
Calendar Alarm has a rating of 3.9 stars based on 8 ratings.
Can I edit multiple alarms at once in Calendar Alarm?
Yes, Calendar Alarm features batch editing. By editing linked patterns, you can change alarm times for multiple days simultaneously, such as adjusting all alarms by 5 minutes.
Does Calendar Alarm work when the screen is off?
Yes, the alarm will sound even if the screen is turned off. You do not need to keep the app open when you go to bed.
What devices is Calendar Alarm available on?
Calendar Alarm is available on iPhone and iPod.
