One tap to alarm
Flip the switch next to an event. No more copying times into the Clock app by hand.
For iPhone ยท iOS 26 or later
Turn the events you can't miss
into real alarms, not notifications.
Ever missed a calendar notification buried among the rest? CalAlarm turns just your important events into full-strength alarms with one tap โ ringing through silent mode and Focus, exactly like the Clock app.
One job, done properly: making sure you notice.
Rings for real
Uses the same alarm mechanism as the Clock app โ cuts through the silent switch and Focus modes.
Follows your calendar
Meeting moved from 10 to 11? The alarm moves too. Event deleted? The alarm goes with it.
Flexible lead time
Set a global default, then override per event โ from right on time to an hour early.
Quick alarms
For errands too small for the calendar: just a label and a time.
Widget included
See upcoming events and alarm states on your home screen, and toggle them with a tap.
Three steps, that's it
- Allow calendar access Your next 7 days of events appear.
- Switch on the important ones Defaults to 10 minutes before โ adjustable per event.
- Let it do its job If the event moves, the alarm moves. When it's time, it rings. Loudly.
Your data never leaves your device
No account. No server. Your calendar content is never sent anywhere. See the Privacy Policy for details.
FAQ
- Q. How is this different from calendar notifications?
- Notifications show a banner for a moment and stay silent in silent/Focus modes. CalAlarm uses the same mechanism as Clock-app alarms โ it keeps ringing until you stop it.
- Q. Which calendars are supported?
- Everything that appears in the iPhone Calendar app โ iCloud, Google, Exchange and more. You can choose which calendars to include.
- Q. Which OS versions?
- iPhone running iOS 26 or later.
Start with today's calendar.
Turn the events you can't miss into real alarms. Pay once. No ads. No account.
Download on the App Store