StealthTalk Private Messenger vs CypherChat

StealthTalk is a private messenger designed to meet high demands of business- and privacy-minded professionals. Based on a patented SDNP protocol developed for professional use in telecommunications, StealthTalk bridges the gap between professional and consumer security solutions. KEY FEATURES Secure Voice Calls Make secure calls with exceptional voice quality, even with slow internet connection speeds based on TETRA professional communication standards and SDNP protocol. Secure Messages Exchange true end-to-end encrypted messages with all sensitive message data encryption and decryption taking place entirely on the user device. Self-Destruct Messages Send confidential messages that are erased automatically after a selected period of time. Stealth Mode Protected stealth environment for sensitive calls and messages that requires users to enter their password to preview messages or receive calls. PRIVACY & SECURITY End-to-End Encryption All communication within StealthTalk is always protected with end-to-end encryption powered by a patented SDNP protocol that uses ECC 512, AES 256 and SHA-3 512 as primitives. Zero-Knowledge Proof StealthTalk knows nothing about the content of your messages or calls. User data is not collected or stored on StealthTalk servers and cannot be analyzed, sold or disclosed. Professional Telecommunications Technology StealthTalk communication security is based on the patented, tried and field-tested SDNP protocol developed for and used in professional telecommunications. REQUIRED PERMISSIONS StealthTalk requires the following permissions to deliver its private messaging services and ensure all features are operational. • Contacts: Contacts permission is used to match you with your contacts using phone number hashes. StealthTalk does not monetize, collect or store your address book data. • Microphone: Microphone access is required to make secure voice calls • Bluetooth & Location: Bluetooth and location access is needed to locate devices close to you and enable encryption key exchange. • Camera: Camera access is needed to add new contacts via QR code and send pictures with the built-in camera. • Storage: Storage access is needed to store images and files that you receive in chats. For additional information and suggestions, please contact support@stealthtalk.com

CypherChat® - Secure Communication That Puts You First Looking for an encrypted messaging app that keeps your conversations 100% private? With CypherChat®, your privacy is always the priority. No data collection. No tracking. No compromises. Why CypherChat®? True Anonymity: No phone number. No email. Zero personal data collected. AES 256-bit Encryption: End-to-end encrypted (E2EE) chats for maximum security. Zero Data Tracking: We never sell your data or monitor your conversations. Patent-Pending Technology: Privacy innovations built for people who refuse to compromise. KEY FEATURES Anonymous Sign-Up Create your account without sharing any personal information. No phone number. No email. No identity required. AskCyph™ AI Assistant Your built-in AI chatbot for instant answers and content generation. Create, edit, and analyze images directly in your chat. Browse the web, visit sites, and run deep research without ever leaving the app. DocCyph™: AI Productivity Upload PDFs to instantly extract key points and generate automated summaries. Work smarter, not harder. P2P Encrypted Video Calls Crystal-clear HD voice and video calls with zero central servers. Includes screen sharing and custom virtual backgrounds for a fully private conferencing experience. Secure File Sharing Send documents, images, and videos with end-to-end encryption. Fast, unlimited peer-to-peer transfers with absolute privacy and no leaks. Private Group Chats Create highly secure groups for friends, family, or business teams. All group conversations are fully encrypted and completely anonymous. Custom Privacy & Disappearing Messages Choose between High, Medium, or Low privacy settings. Send no-trace disappearing messages that vanish with zero digital footprint. Secure Invites Grow your network instantly via secure invite links or QR codes with custom expiration dates. Only the right people get in. Built-In Games Play with friends or challenge AI without ever leaving your chat. Choose from a growing library of classic games including Chess, Checkers, Connect 4, Tic-Tac-Toe, Battleship, Reversi, Hangman, Word Chain, Minesweeper, Wordle, 2048, Sudoku, Dots & Boxes, Hex, Go, Tower of Hanoi, Ludo, UNO, Texas Hold'em, and more! WHO IS CYPHERCHAT FOR? Business Professionals requiring secure corporate collaboration Journalists and Activists protecting sensitive sources Everyday Users who demand privacy in their personal lives Privacy by Design CypherChat® was built on the belief that privacy is a basic human right. We use AES 256-bit encryption, peer-to-peer networking, and patent-pending technologies to ensure your data stays yours and only yours. We never sell your data. We never track your conversations. We never compromise on security. Download CypherChat® today and take back your privacy. CypherChat®: Privacy Meets Innovation. (Patent Pending)