Can I sync with Google Calendar or Apple Calendar?
SOS has no sync with Google or Apple Calendar yet, but you can move events with an .ics file.
This needs an account. Sign in to the app first.
What SOS does today
SOS does not connect to Google Calendar, Apple Calendar or Outlook yet. The Calendar Sync screen marks them Coming soon and says no external calendar is connected.
SOS does not send your events to another calendar. Nothing from another calendar comes in by itself either.
What you can do
You can move events by hand with an .ics file. Export from SOS and import into your other calendar app, or the other way round. The article on importing and exporting a calendar file has the steps.
About the Calendar Sync screen
Open it with the settings button at the top right of Calendar. Its tabs are Calendar Sources, Sync Settings, Notifications and Integration Guide.
The calendar list and sync choices there are saved on this device only, and they change nothing outside SOS.
The manual sync button does not contact any calendar. It tells you there is nothing to sync yet, and it records no sync.
The Integration Guide describes how connecting could work later. It does not mean the feature is on.