X Chat is now available on iOS, drawing comparisons to WeChat with features such as end-to-end encryption and Grok integration. On-chain news highlights three privacy concerns. First, X holds the encryption keys, unlike Signal, which could expose users to security risks under legal pressure. Second, the “Ask Grok” feature transmits messages in plaintext to the AI. Third, the app is exclusively available on iOS, excluding Android users. X has not yet open-sourced its code or completed third-party