nost

nost is a privacy-first communication app built for secure, simple, and reliable conversations.

Chat privately with end-to-end encrypted messaging and secure one-to-one voice calls. nost is designed to protect your conversations while minimizing unnecessary data stored on servers.

Key Features

• End-to-end encrypted one-to-one and group messaging
• Hybrid post-quantum encryption (PQC) designed for enhanced long-term security
• Secure end-to-end encrypted one-to-one voice calls
• Murmur, a public community for sharing short posts and connecting with people around the world
• On-device translation for Murmur posts and comments in supported languages
• Share photos, videos, voice messages, files, stickers, reactions, replies, and forwarded messages
• Sign in with Google, Sign in with Apple, or email
• nost Mode – automatically deletes messages within 5 minutes after they have been viewed

Privacy First

nost is designed with privacy as a foundation. Private conversations are protected with encryption, and encrypted messages are temporarily stored only when needed to securely deliver your communications.

Your personal conversations are yours. nost helps you communicate privately, securely, and simply.