# Roger That - Secure Walkie-Talkie App > A privacy-first push-to-talk voice communication app that collects zero user data. ## About Roger That is a secure walkie-talkie mobile application for iOS and Android. It enables real-time voice communication using WebRTC peer-to-peer technology, meaning voice data travels directly between devices without passing through servers. ## Key Features - **Peer-to-Peer Voice**: WebRTC sends audio directly between devices - **Zero Data Collection**: No accounts, no phone numbers, no email addresses, no tracking - **Instant Connection**: Share a channel code and start talking immediately - **Cross-Platform**: Works on both iOS and Android - **No Message History**: Voice is never stored - when you stop talking, it's gone - **Battery Efficient**: Lightweight and optimized for mobile devices ## How It Works 1. Create or join a channel using a channel code 2. Share the channel code with others 3. Push to talk - hold the button to speak, release to listen ## Privacy Philosophy Roger That is built for privacy-conscious users. The app: - Does not require accounts or registration - Does not collect phone numbers or email addresses - Does not access contacts - Does not track location - Does not store voice data - Does not use analytics tracking - Uses WebRTC for direct peer-to-peer voice transmission ## Technical Details - Platform: iOS and Android (Flutter) - Voice Protocol: WebRTC (peer-to-peer) - Signaling: WebSocket server (only for initial connection handshake) - Backend: Rust signaling server ## Links - Website: https://rogerthat.space - Privacy Policy: https://rogerthat.space/privacy.html - Contact: hello@rogerthat.space ## Deep Linking The app supports deep links for easy channel sharing: - Format: https://rogerthat.space/{channel-id} - Example: https://rogerthat.space/convoy-1 - Optional name parameter: https://rogerthat.space/convoy-1?name=John