scanrad.io
Live & recorded scanner audio
About
Access live and recorded public-safety, marine, and railroad radio transmissions from a global network. Browse by activity, decoded paging tones, or save your favorite channels for quick access. Listen in the background with lock screen controls.
What's New in scanrad.io
1.0
June 7, 2026
Developer apps
FAQ
What is scanrad.io?
scanrad.io provides live and recorded audio from public-safety, marine, and railroad radio transmissions. It allows users to tune into a growing network of radio channels and listen to past transmissions.
Can I listen to scanrad.io in the background?
Yes, scanrad.io supports background playback, allowing you to continue listening with your screen locked. Playback can be controlled from the lock screen and Control Center.
How does scanrad.io handle quiet channels?
Quiet channels in scanrad.io simply mean that no transmissions are currently being broadcast on that frequency. The audio is unfiltered and only active when something is being transmitted.
Is scanrad.io legal to use?
Listening to public transmissions is legal in the United States. However, the availability and legality of radio reception can vary by region, so users should ensure they are using the app in accordance with local laws.
How can I find specific transmissions on scanrad.io?
You can browse by decoded paging tones (DTMF, QuickCall, MDC, FleetSync) to jump to when a specific unit was dispatched. Additionally, channels show recent transmissions grouped by time and an hourly activity heatmap.
What devices does scanrad.io support?
scanrad.io is currently supported on iPhone devices.
What is the age rating for scanrad.io?
scanrad.io has an age rating of 12+.
How often is scanrad.io updated?
The latest version of scanrad.io is 1.0, and it was last updated on June 7, 2026. This indicates a recent release.