Nearly all of Apple’s first party software works this way. Notes, Reminders, Pages, Numbers, Keynote, Voice memos, etc All using iCloud APIs to synchronize wh

Nearly all of Apple’s first party software works this way. Notes, Reminders, Pages, Numbers, Keynote, Voice memos, etc All using iCloud APIs to synchronize what is essentially local-first software. You could even count Mail, Contacts, and Calendar, although they rely on more established protocols to sync.