Unverified50% confidenceFactExact time
ICS (iCalendar) is an open calendar data exchange format with the file extension .ics, supported by mainstream calendar applications including Google Calendar, Apple Calendar, and Outlook.
1
Sources
50%
Confidence
Long-term
Relevance
10/11/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedEventKit is Apple's native calendar and reminders access framework for macOS and iOS, providing a unified programming interface for reading and writing the system calendar database.67% similarUnverifiedIn the iCalendar standard, each calendar event has a globally unique UID field and a SEQUENCE field that marks the modification version number.63% similarVerifiedCalerto supports two-way sync with Apple Calendar and Google Calendar.63% similarUnverifiedWhen an event is edited on either Apple Calendar or Notion, the other side updates automatically.61% similarUnverifiediOS uses ARC (Automatic Reference Counting) memory management, with the application lifecycle driven by UIApplicationDelegate/SceneDelegate.60% similar
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