Unmissable: Calendar Alarm

Never miss an event again.

Unmissable is the first iOS 26+ app that makes your calendar truly unmissable — using real, system-level alarms for your events, not silent notifications.
Works with your existing calendar

Loud, reliable alarms — even on Apple Watch
Set or remove alarms with a single tap
Free: 2 event alarms. Pro: Unlimited, one-time unlock
No ads. No tracking. No subscriptions. Just peace of mind.

Perfect for:
Meetings, classes, and deadlines you cannot afford to miss
Anyone frustrated by silent or easy-to-ignore calendar notifications

How it works:
Connects to your calendars with your permission
Lets you set real alarms for events (at event time or up to 3 minutes before)
Alarms sync automatically to Apple Watch
Free for 2 events. Upgrade to Pro for unlimited alarms, forever.

Privacy-first indie app.

No tracking, no analytics, no cloud sync—your data stays on your device.