WalkyTalky: Offline Radio PTT

WalkyTalky transforms your Android phones into instant, private, offline walkie-talkies. Communicate seamlessly without internet, cellular coverage, accounts, or cloud servers. Whether you are hiking off-grid, exploring festivals, working in warehouses, or staying in touch around the home and campsite, WalkyTalky connects devices directly with crystal-clear, low-latency push-to-talk (PTT) voice. KEY HIGHLIGHTS: • ZERO INTERNET & ZERO ACCOUNTS No phone numbers, no email signups, and no passwords. Your voice never touches the internet or external servers. • RETRO ACOUSTIC & INSTANT PAIRING Pair phones in seconds using audible acoustic modem tones, QR codes, or NFC tap. Hold devices close and let the sound do the handshake! • DIRECT HIGH-SPEED AUDIO Powered by direct Wi-Fi Direct and local peer-to-peer networking with the high-definition Opus voice codec. Crystal-clear transmission with built-in acoustic echo cancellation and noise suppression. • END-TO-END ENCRYPTED Every voice session is secured directly between paired devices using X25519 ECDH key exchange and AES-GCM encryption. Private conversations stay strictly private. • PUSH-TO-TALK SIMPLICITY Classic radio push-to-talk interface. Hold to talk, release to listen. Includes realistic hardware LEDs, tactile haptic feedback, and authentic radio sound effects. • TRUSTED RECONNECT Mark paired devices as trusted to automatically reconnect whenever you come back into range. • CUSTOMISABLE RETRO THEMES & ACCESSIBILITY Choose from 6 distinctive retro radio visual themes. Full support for high contrast mode, left-handed operation, large text, and volume boosters. Built with passion by Total Carnage.