X2Chat vs ProximityPulse

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.

Message anyone nearby — no internet, no accounts, no data collection. ProximityPulse uses Bluetooth and Wi-Fi Direct to create instant conversations that never touch a server. WHY PROXIMITYPULSE? Unlike every other chat app, your messages never leave the space between two phones. No cloud. No sign-up. No trace. Just open the app, pick a name and emoji, and start chatting with people around you. MESSAGES THAT SELF-DESTRUCT Set a timer from 1 minute to 24 hours, and your messages vanish automatically. Perfect for festivals, classrooms, conferences, or anywhere you want conversations that don't follow you home. WORKS EVERYWHERE — EVEN OFFLINE No Wi-Fi? No signal? No problem. ProximityPulse works at concerts, on planes, underground, in remote areas — anywhere two phones can be near each other. Zero internet required. ALWAYS LISTENING IN THE BACKGROUND Advanced Bluetooth Low Energy keeps you reachable even when the app isn't on screen. Get notifications and messages without keeping ProximityPulse open. PRIVACY IS NOT A FEATURE — IT'S THE ARCHITECTURE • No servers — messages travel device-to-device only • No accounts — just a name and emoji • No tracking — zero analytics on your conversations • No cloud storage — nothing is ever uploaded KEY FEATURES • Automatic discovery of nearby people via Bluetooth • Direct peer-to-peer messaging — no middleman • Self-destructing messages with configurable timer • Background messaging via Bluetooth Low Energy • Works completely offline • Block, mute, or disconnect from anyone instantly • Typing indicators and delivery confirmations • Available in English, Spanish, French, German, Italian, and Portuguese ProximityPulse — real conversations, no digital footprint.