Last updated: September 2, 2026
CNTC shows synchronization status in Settings → Sync Status and may display a banner when attention is needed. The status screen shows Apple Contacts and iCloud availability along with the latest known check, send, and receive times.
If a list is not current:
Synchronization can be delayed while CNTC is offline, checking Apple Contacts, sending local changes, receiving shared changes, or joining a new list. Do not delete the app or shared list as a first troubleshooting step.