Demod: SDR Receiver

Now with rewind, recording, live on-device transcription & translation, a smart scanner, and one-tap signal identification. Browse public servers and start listening.

Demod turns your iPhone and iPad into a world-class shortwave radio — tuning live software-defined receivers around the globe.

Connect to public SpyServer and rtl_tcp servers over Wi-Fi or cellular and listen in real time: shortwave broadcasters, ham radio, aircraft, marine, time signals, and more. No antenna or extra hardware required.

FEATURES • Connect to SpyServer, rtl_tcp, and KiwiSDR receivers • Smooth, Metal-powered waterfall and spectrum display • AM, FM, USB, LSB, and CW with adjustable bandwidth • Built-in decoders: CW (Morse), RTTY, PSK31, and FT8 • Fast, tactile tuning with a large frequency dial • Save your favorite stations and frequencies • Noise blanker and hum notch for cleaner audio • AirPlay to HomePod, speakers, or headphones • Native on both iPhone and iPad

Whether you're a licensed ham, a shortwave listener, or just curious what's drifting around the radio spectrum, Demod puts a real SDR in your pocket.