
CoronaSDR: RTL-SDR Client
Low-Latency rtl_tcp Receiver
Free · Designed for iPad
SDR receiver for rtl_tcp servers on your local network. Real-time spectrum, waterfall, and low-latency audio.
CoronaSDR is an iOS app for listening to rtl_tcp SDR servers over your local network.
Key features:
- Live spectrum and waterfall rendering
- Demodulation modes: AM, NFM, WFM, USB, LSB, CW
- DSP controls: squelch, AGC, audio filters, de-emphasis
- Station favorites with import/export
- RF controls such as PPM and tuner options (hardware/server dependent)
- Diagnostics and a performance-focused pipeline
No account is required. Set your rtl_tcp host and port, connect, and tune.
Built by Silviu YO6SAY for the radio community.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
The developer, Alien Systems S.R.L., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Alien Systems S.R.L.
- Size
- 4.7 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Silviu Stroe (YO6SAY). All rights reserved.