# Pocketmux > Pocketmux is the mobile app companion to the open-source pmux CLI. Together they provide secure remote tmux access from a phone: pmux runs on your computer as a transparent tmux proxy, and the Pocketmux app (iOS and Android) connects directly to it over an end-to-end encrypted, peer-to-peer WebRTC DataChannel. The signaling server is zero-knowledge — it never sees terminal content, session metadata, or activity. Key facts: - The pmux CLI, agent, signaling server, and wire protocol are free and open source (MIT): https://github.com/ShiftinBits - The Pocketmux mobile app is a paid companion: $4.99/year (early adopter pricing), no accounts, no ads, no tracking - Authentication uses device-bound Ed25519 keys — no passwords, OAuth, or email - Device pairing uses a one-time QR code and X25519 key exchange; the pairing secret never touches the server - Terminal data is encrypted end-to-end with DTLS; an encrypted TURN relay is used only as fallback - Availability: United States and Canada (App Store and Google Play) - Publisher: ShiftinBits Inc. (https://shiftinbits.com) ## Pages - [Home](https://pmux.io/): product overview, how it works, architecture, comparison with SSH clients, common questions, pricing - [Docs](https://docs.pmux.io/): installation, setup, configuration, and usage documentation for the pmux CLI and Pocketmux app - [Security](https://pmux.io/security): full security model — identity, pairing, encryption layers, what the server can and cannot see, vulnerability disclosure - [Privacy Policy](https://pmux.io/privacy): what the server stores and why - [Terms](https://pmux.io/terms): terms of service