Listen to the whole radio spectrum.
Offline, on your own hardware.

SDRPulse turns an RTL-SDR into a full receiver for Windows and Android: FM, AM and SSB radio, a fast band scanner, aircraft on a live map, a dozen decoders and speech transcription that runs on your own computer or phone.

What it does

Radio

FM with RDS and stereo, AM, NFM, USB, LSB and CW, with a smooth spectrum and waterfall.

Scanner

Sweeps bands and profiles, finds active channels and keeps a history of what it heard.

Aircraft

ADS-B on 1090 MHz with aircraft icons on an offline map, plus ACARS and VDL2 messages.

DAB+

Digital radio with station names, now-playing text and slideshow (Windows; Android coming).

Decoders

APRS, 433 MHz weather sensors, radiosondes, SSTV pictures, Morse across a whole band, pagers.

Transcription

Live transcripts and translation of what you hear, computed on your device. Nothing is uploaded.

Library

Recordings with waveform, favourites, transcripts and translations, all kept locally.

Share a receiver

Use the RTL-SDR on your PC from your phone over the home network (rtl_tcp).

Download

Windows 10 and 11

Installer and portable version. Works with RTL-SDR dongles (RTL-SDR Blog V4 included) and HackRF.

Coming soon

Android

Phones and tablets with USB OTG, or a receiver shared from your PC. Google Play listing planned.

Coming soon

SDRPulse is freeware for personal, non-commercial use. Get it only from this site or its official store listing. Receiving, recording and decoding radio is regulated by law; use SDRPulse only in ways that are legal where you are.