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CoronaSDR: RTL-SDR Client

CoronaSDR: RTL-SDR Client

Low-Latency rtl_tcp Receiver

10 ratings
4 reviews
📚 Education
🔧 Utilities
Free

Details

Released
March 3, 2026
Updated
October 21, 2026

Features

Developer

Alien Systems S.R.L.
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About

This application allows users to connect to and control RTL-SDR servers on their local network. It provides live spectrum and waterfall displays, various demodulation modes, and DSP controls for audio filtering and signal tuning. Users can save favorite stations and adjust RF settings.

✓Live spectrum and waterfall display
✓Multiple demodulation modes (AM, NFM, WFM, USB, LSB, CW)
✓DSP controls (squelch, AGC, filters)
✓Station favorites with import/export
✓RF controls (PPM, tuner options)
✓Diagnostics and performance pipeline
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What's New in CoronaSDR

1.0.8

October 21, 2026

- Improvements

User reviews

Most RecentHighest RatedLowest Rated

Outstanding!

Took a bit for me to get this working on Windows, but it was worth the effort!

Thanks to the dev for making this available for free!
VVertiGoNo

How is this free?

Fantastic app, clean intuitive design.
BBagal....

Response from developer

Thank you!

Great app

I was waiting for an app like this for long time! It is perfectly developed, thank you!
Ppanzercheddar

Response from developer

Thank you!

Great app

Works great - it allows me to listen to my favorite frequencies.
IIoana.e

Response from developer

Thank you!

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FAQ

What is CoronaSDR?

CoronaSDR is a free iOS application designed to connect to and control rtl_tcp SDR servers over your local network. It offers live spectrum and waterfall displays, various demodulation modes, and DSP controls.

Does CoronaSDR require an account?

No, CoronaSDR does not require any account creation. Users can simply set their rtl_tcp host and port, connect, and begin tuning.

What devices does CoronaSDR support?

CoronaSDR is available for iPhone and iPad devices.

What demodulation modes are available in CoronaSDR?

CoronaSDR supports AM, NFM, WFM, USB, LSB, and CW demodulation modes, providing flexibility for various radio signals.

Can I save my favorite radio stations in CoronaSDR?

Yes, CoronaSDR allows you to save your favorite stations and provides options for importing and exporting these lists.

How often is CoronaSDR updated?

The latest version, 1.0.2, was released on March 20, 2026, indicating recent development activity. The app was first released on March 3, 2026.

What is the age rating for CoronaSDR?

CoronaSDR has an age rating of 4+, making it suitable for a wide range of users.

Does CoronaSDR have ads?

No, CoronaSDR does not contain advertisements. It is a completely free application.