Why Don't Alarm Dismissals Sync Across My Devices?
BusyCal is only able to sync alarm dismissals in some cases, primarily for iCloud and Google calendar accounts. There are important limitations to be aware of, though:
Alarm dismissals do NOT sync for:
- Recurring events
- Meeting invitations
- Tasks/reminders
- Non-CalDAV accounts (Exchange, Outlook, Reminders, Todoist, etc.)
iOS Pending Sync
On iPhone and iPad, alarm dismissals may not sync immediately due to iOS background sync restrictions:
- Background sync timing is controlled by iOS, not BusyCal
- If iOS doesn't allow background sync for hours, alarms will continue to show
- This can result in delays of several hours before dismissals sync
- Force-opening BusyCal can trigger immediate sync
To improve sync timing:
- Ensure Background App Refresh is enabled for BusyCal
- Periodically open BusyCal to trigger manual sync
- Check your device's Low Power Mode settings