Unverified50% confidenceFactExact time
Persodex relies on the Contacts Framework (CNContact API) that Apple opened up after iOS 9, which allows third-party apps to read and write contacts data with user authorization and supports cross-device sync via iCloud.
1
Sources
50%
Confidence
Long-term
Relevance
8/10/2026
First Seen
Sources
Persodex：给iOS通讯录加上记忆的个人CRM工具
Related Claims
UnverifiedThe notes and contextual information added by Persodex are stored at the system level rather than on the app's private servers, and can be automatically synced to all of the user's Apple devices via iCloud.79% similarUnverifiedApple's Contacts Framework (CNContact API) was introduced in iOS 9 in 2015, replacing the previous AddressBook framework.78% similarUnverifiedPersodex is a personal CRM that lives on top of iOS Contacts, natively syncing with Apple's native address book without attempting to replace the native Contacts app.73% similarUnverifiediOS centrally manages message distribution through Apple Push Notification service (APNs); all application push notifications must be relayed through Apple's servers, and devices only need to maintain a single system-level persistent connection.73% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/725858API
curl https://kongchang.com/api/v1/knowledge/claims/725858MCP
get_claim(id=725858)