Contact Notes, specifically, require [0] a special entitlement to access them, so normal chat apps should never have access to them on iOS. All other fields, f

Contact Notes, specifically, require [0] a special entitlement to access them, so normal chat apps should never have access to them on iOS. All other fields, for all contacts, are accessible once Contacts access is granted. [0] https://developer.apple.com/documentation/bundleresources/entitlements/com_apple_developer_contacts_notes https://developer.apple.com/documentation/bundleresources/en...