Arrrrn

Arrrrn makes sure you never forget to set an alarm.
It sets your wake-up alarm automatically, counted back from tomorrow's first calendar event.

No more setting alarms every night. A simple one-time-purchase app with no ads.

■ Key Features

- Calendar-linked alarm
Fetches tomorrow's first event and sets the alarm at that time minus your preparation time.

- No events, no alarm
On days off with no plans, the alarm stays silent. No more forgetting to turn it off.

- Evening preview notification
At your chosen time (default 22:00), get notified of tomorrow's alarm time before bed.

- Manual override
You can always adjust the automatically set time.

- Snooze
Sleep in safely with customizable snooze intervals.

- Languages
Japanese and English, switching automatically with your device settings.

■ Customization

- Preparation time (5 min to 3 hours)
- Notification time
- Alarm sound selection
- Volume control
- Vibration on/off
- Choose which calendars to use (multiple supported)

■ Privacy

- Calendar data is processed entirely on your device and never sent to any server.
- The app makes no internet connections.