X2Chat vs HomeChat

X2Chat - Secure Messenger Built for Privacy X2Chat is a modern, privacy-first messenger that puts you in control of your data. Every message, file, and call is protected with end-to-end encryption. No one in the middle - not us, not your provider - can read your conversations. END-TO-END ENCRYPTION - RSA-2048 for session key exchange - AES-256-GCM for content (text, files, media) - WebRTC Insertable Streams for calls - true E2E at the RTP-frame level - Trusted-key QR codes - MITM protection from the server itself CALLS FAST AND CLEAR - High-quality 1-on-1 and group audio/video calls - Ultra-low latency through an optimized audio pipeline - Native CallKit integration - lock-screen calls feel like system calls - Adaptive bitrate and resilience on weak networks CLOUD BACKUP WITHOUT COMPROMISE - Encrypted backup secured with your own password - Account restore on a new device via slot_id and password - iCloud Keychain sync for seamless device migration PRIVACY BY DEFAULT - Zero ads, zero tracking - Minimal metadata stored server-side - Open encryption architecture X2Chat fits private conversations, work communications, and everything that should stay strictly between you and your contact.

HomeChat is a secure messenger with full end-to-end encryption. Exclusively private one-on-one communication — no groups, no channels. Who HomeChat is for: - Family and loved ones - Lawyers, doctors, entrepreneurs - Crypto traders - Anyone who doesn't trust big platforms PRIVACY HomeChat encrypts everything — text, media, reactions, and call signals — directly on your device. The server does not store messages and never has access to your conversations. Decrypting data without the keys on your device is impossible. Own built-in tunnel - No phone number, email, or personal data required to register - No ads or third-party analytics - No personal data collection - Encrypted media files are automatically deleted from the server after 7 days - Delete your account at any time with one tap - App PIN — independent cryptographic protection, separate from the phone passcode. Without the correct PIN, app content is inaccessible even on an unlocked device - Panic code — instantly and irreversibly destroys all data within the app with no trace and no possibility of recovery FEATURES - Text messages, photos, videos, audio, documents (max file size — 100 MB) - Video messages (video circles) - Voice calls - Video calls - Message reactions — (not available in Telegram's Secret Chats) - Statuses: sent → delivered → read - Presence indicators: online / offline / removed from contacts - Custom stickers, ringtones, and wallpapers - Light and dark theme support - Ability to chat during a call SECURITY Encryption protocols: - X3DH + Double Ratchet (Signal protocol) on Apple CryptoKit - AES-256-GCM for all data types - Ed25519 for signing, X25519 for key exchange - Forward Secrecy — compromising one key doesn't reveal past conversations Calls: - WebRTC over self-hosted STUN/TURN servers - Direct P2P connection via STUN (when possible), TURN as a fallback channel - Call signaling (IP addresses, SDP) is additionally encrypted - DTLS/SRTP protection for the voice stream Transport: - WSS (WebSocket Secure) + TLS + Certificate Pinning (SPKI) — protection against MITM attacks On-device data: - Messages stored in an encrypted SQLite database - Session keys in the iOS Keychain (ThisDeviceOnly) - Media files excluded from iCloud backups - Session rollback protection (used encryption keys are destroyed immediately and cannot be recovered) Push notifications: - Message content never enters the push payload - VoIP Push only carries the caller's identifier NOTES - Works in Russia - Your account and all your chats are tied to a single device - Push notifications and VoIP calls work in the background - Supports iPhone and iPad