Kairos: Smart Alarm
Woosub Lee Utilities iPhoneiPadiPod touch
Kairos: Smart Alarm is a free Utilities app for iPhone and iPad by Woosub Lee. Requires iOS 26.0. Updated October 25, 2026.
- Price
- Free
- on the App Store
- Size
- 11 MB
- Age 4+
- Updated
- Oct 25
- 2026 · v1.4.2
Screenshots
About Kairos: Smart Alarm
Alarms that turn on and off with your schedule. Ever forgot to turn off your alarm before a vacation, or to turn it back on for a weekend shift? Kairos checks your calendar and public holidays and decides each day whether to ring or rest. It works like the built-in Clock app, and takes care of the things you used to switch by hand. ■ Group your alarms • Put several morning alarms in one group and set their repeat days at once. • Turn a group off and every alarm in it goes quiet; turn it on and they’re back. • Need just today off? Turn an alarm off and tap “Resume at Next Alarm.” It rings again from the next one. ■ Holidays off, automatically • With “Skip Holidays” on, alarms stay quiet on public holidays, including observed holidays. • Choose U.S. or Korean holidays. Set it with one switch for a group or for a single alarm. • Holiday data updates automatically, without an app update. ■ Skip or ring by calendar events • Link your iPhone calendar in an alarm group and choose words to rest on, like “Vacation” or “WFH.” • From then on, a “Vacation” event is all it takes to skip that day’s alarms. • Choose a word to ring on, like “Weekend shift,” and alarms ring even on weekends. • Event titles are only matched on your device. They are never stored or sent. ■ Adjust any day on the calendar • Tap a date in a group’s calendar to skip or ring just that day. • The Schedule tab shows which alarms ring each day and why the others are off. ■ Rings like a real alarm • Built on iPhone alarms (AlarmKit), so it rings in Silent mode and during a Focus. • Pick a snooze length from 1 to 15 minutes and see the countdown on the Lock Screen. • Ten original alarm sounds, plus a “Tomorrow’s Alarms” note the night before. • Awake before your alarm? Touch and hold the heads-up notification to turn that day’s alarm off (turn it on in Settings). ■ Widgets at a glance • See your next alarm on the Lock Screen and Home Screen. • If tomorrow is a day off, the widget shows why and when alarms ring again. • The medium Home Screen widget shows the next few days, including days off. ■ English and Korean • Kairos follows your iPhone language, or pick English or Korean in Settings. ■ Privacy • No sign-up or login. All settings stay on your device. • No data is collected or tracked.
What’s new
Version 1.4.2 · Updated October 25, 2026
• Fixed a warning that briefly appeared in Schedule when you opened the app from a notification.
App privacy
The developer, Woosub Lee, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Kairos: Smart Alarm
Looking for apps like Kairos: Smart Alarm? Here are 6 similar apps on the App Store. The highest rated is EZRecorder: Clear Voice (5.0/5), and 4 of the 6 are free to download.
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5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Kairos: Smart Alarm | – | Free | October 25, 2026 | |
| 오리집 | – | 1.99 USD | Oct 14, 2026 | Compare |
| OffDays Alarm | – | Free | Oct 22, 2026 | Compare |
| 심플 차계부(오토바이 지원) | – | Free | Sep 8, 2026 | Compare |
| SpamGuard: SMS Filter | – | Free | Sep 7, 2026 | Compare |
| CheckCount: Simple Counter | – | 2.99 USD | Jul 21, 2025 | Compare |
| EZRecorder: Clear Voice | 5.0 / 5 (1) | Free | Oct 24, 2026 | Compare |