云集通讯 vs PrivTalk

专门为企业机构本地自搭建，内部使用的电子通讯录系统，支持系统本地部署，防止内部数据泄露。 - 通讯录：人员组织架构，快捷搜索机构成员信息 - 通知栏：机构通知实时传达和通知 -常用联系人：业务往来人员收藏 -个人中心：个人信息展示

PrivTalk: End-to-End Encrypted Messaging for Total Privacy Worried about chat leaks, screen peeking, or the consequences of a lost or stolen phone? PrivTalk is the privacy-first messaging app that puts you in control. We use end-to-end encryption (E2EE) to ensure your conversations remain strictly between you and the intended recipients. How PrivTalk Protects You: End-to-End Encryption: Your messages are encrypted on your device before they are sent. They remain scrambled during transmission and can only be decrypted by the recipient's device. Local Key Storage: Your unique decryption keys are generated and stored only on your phone. Our servers never have access to your keys or your unencrypted messages. This is a true zero-knowledge system. Leak Prevention: Safeguards your privacy against phone theft, loss, or unauthorized access. Even if someone has your phone, your chats are unreadable without the key. Key Features: Self-Destructing Messages: Set timers for messages to automatically disappear after being read or after a set period. Secure 1-on-1 & Group Chats: Create encrypted conversations for both private dialogs and secure groups. User-Friendly Design: Enjoy powerful security without complexity. Privacy is just a tap away. Our Promise: Your privacy is non-negotiable. PrivTalk is built on the principle that you should own your data. We don't collect your messages, and we never will. Download PrivTalk today and experience true peace of mind. Subscriptions will automatically renew unless canceled, and will be charged to your Apple ID account at the end of each billing cycle. This service is subject to Apple’s Standard End User License Agreement (EULA), available at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/