Y Communicator vs OvateChat

Y Communicator is private messaging without accounts, phone numbers, or email addresses. Create a private session with someone you trust, scan a QR code or share an invitation link, and start messaging once the app shows the connection is secure. Your messages are encrypted on your device before they leave it, so relay servers cannot read them. Built for Everyday Privacy - No login, account, phone number, or email required - End-to-end encrypted messages - Offline message delivery while your contact is away - Undelivered messages expire from the network after a short time - Rotating message addresses help reduce long-term tracking - App lock with Face ID, Touch ID, or passcode Private by Design Y Communicator does not require a central account or public profile. Each conversation is a private session between devices, protected by keys held only by you and your contact. Messages are held on the relay network only while waiting for delivery. They are deleted when retrieved or when they expire, with a maximum network holding time of 2 hours. How to Connect 1. On the first device, tap Add Session and create a new session. 2. Show the QR code or share the invitation link. 3. On the second device, tap Add Session and scan the QR code or paste the link. 4. Keep Y Communicator open on both devices while they connect. 5. When the session shows Secure, start messaging. Good For - Private one-to-one conversations - Messaging without sharing a phone number - Short-lived secure communication - Conversations with minimal personal information What Y Communicator Cannot See We cannot read your message content. We do not require your name, phone number, email address, or account login. The relay network is designed with no permanent message storage and no server logs. Technical Details Y Communicator uses a post-quantum end-to-end encryption design: - Kyber-1024 for secure key exchange - AES-256-GCM for message encryption - Dilithium-5 digital signatures for message authenticity - Decentralized zero-trust message routing - Memory-only relay nodes with no persistent storage - Automatic network message expiration, maximum 2 hours - Rotating session identifiers to reduce linkability over time

OvateChat is a private messenger built on one principle: your conversations belong to you. Every message, photo, video, voice note, file, call and story is protected with end-to-end encryption using the Signal Protocol — the cryptography trusted by security experts worldwide. Your keys never leave your phone. Not even we can read what you send. PRIVATE BY ARCHITECTURE • End-to-end encrypted messages, media, calls, groups, channels and stories • Delivered messages are wiped from our servers — we keep no copy of your ciphertext • No ads, no trackers, no analytics, no data selling — ever • No phone number: sign up with a username and an email address • Friends by username — your address book is never uploaded EVERYTHING YOU EXPECT • One-to-one and group chats with reactions, replies, editing and delete for everyone • Audio and video calls, one-to-one and in groups • Photos, videos, documents and large files, voice notes and location sharing • Stories for the friends you choose — 6, 12 or 24 hours, then gone • Channels: follow public channels, or open your own • Stickers, sticker packs and a sticker maker; GIFs • Disappearing messages, starred messages, message search • Read receipts and typing awareness you control • Your own name for each contact — only you see it • Several accounts on one phone; link a second device YOUR DATA, YOUR RULES • Control who can find you and who can message you • Block, report and mute with one tap • App lock with Face ID or a PIN; screenshot notices • Encrypted backup — encrypted on your phone before it is stored • Switch an account off, or delete it any time, right from the app • Dark mode, Arabic and right-to-left support OvateChat is built and operated by Ovate Technologies. Read our privacy policy at https://ovatechat.com/privacy — the short version: privacy isn't a setting, it's the architecture.