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Screenshots

  • CalAlarm — Calendar Alarms screenshot 1
  • CalAlarm — Calendar Alarms screenshot 2
  • CalAlarm — Calendar Alarms screenshot 3
  • CalAlarm — Calendar Alarms screenshot 4

About CalAlarm — Calendar Alarms

■ Notifications get missed. Alarms don't. Ever missed a meeting because the calendar banner vanished in a second — or never made a sound in Silent or Focus mode? CalAlarm turns just the events you can't afford to miss into full-strength alarms, powered by the same mechanism as the Clock app. ■ One switch. That's the whole workflow. - Your next 7 days of calendar events, listed automatically - Flip the switch on the important ones — they become alarms - No more copying times into the Clock app by hand ■ Rings through Silent and Focus Built on iOS's alarm engine — the same one the Clock app uses. Silent switch on? Do Not Disturb? It rings until you stop it. ■ When your calendar moves, alarms move too - Meeting moved from 10 to 11? The alarm follows automatically - Event deleted? The alarm is removed - Your calendar is the source of truth — always in sync ■ Flexible lead times - Set a global default, anywhere from on time to 12 hours before - Override per event: dentist 30 min early, a commute morning 2 hours ■ Quick Alarms For errands too small for the calendar: a label, Today/Tomorrow, a time. Three seconds. ■ Home Screen widget See upcoming events and alarm states at a glance, and toggle alarms with a tap — without opening the app. ■ Privacy first - No account. No server. - Your calendar content never leaves your device - No tracking. No ads. ■ Made for you if… - You've been late because you missed a calendar notification - You keep re-checking the clock before important events - You manually re-type event times into the Clock app - Working from home, you fear joining meetings late - You prefer simple, pay-once tools ■ Requirements Requires an iPhone running iOS 26 or later (uses the system's Clock-grade alarm engine).

What’s new

Version 1.4 · Updated September 17, 2026

You can now set an alarm up to 12 hours before an event (the old limit was one hour). • Separate hours and minutes wheels, so a long lead time is still quick to pick — and still to the minute • One-tap presets for 5, 10 and 30 minutes, and 1 and 2 hours • When the alarm lands on the previous day, the date is shown alongside the time

App privacy

The developer, Mitsuhiro Ogata, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to CalAlarm — Calendar Alarms

Looking for apps like CalAlarm — Calendar Alarms? Here are 6 similar apps on the App Store. The highest rated is OnTimer - Never be late (4.6/5), and 5 of the 6 are free to download.

CalAlarm — Calendar Alarms vs. alternatives
App Rating Price Last updated
CalAlarm — Calendar Alarms 5.0 / 5 (1 rating) 9.99 USD September 17, 2026
Cal Alarms: Calendar Alarm – 1.99 USD Jul 10, 2026
AnyDay: Calendar & Date Alarm 2.0 / 5 (1) Free Oct 3, 2026
Closer System – Free May 12, 2026
Mind Map: Brainstorm & Notes 3.0 / 5 (2) Free Sep 17, 2026
Unmissable: Calendar Alarm 3.0 / 5 (1) Free Sep 29, 2026
OnTimer - Never be late 4.6 / 5 (22) Free Oct 3, 2026