CoronaSDR: RTL-SDR Client
Alien Systems S.R.L. Utilities iPhoneiPadiPod touch
CoronaSDR: RTL-SDR Client is a free Utilities app for iPhone and iPad by Alien Systems S.R.L. Rated 5.0/5 from 10 ratings. Requires iOS 18.0.
- Rating
- 5.0
- 10 ratings
- Price
- Free
- on the App Store
- Size
- 5 MB
- Age 4+
- Updated
- Jun 13
- 2026 · v1.0.7
Screenshots
About CoronaSDR: RTL-SDR Client
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
5.0
10 ratings
What’s new
Version 1.0.7 · Updated June 13, 2026
- Improved WFM stereo decoding for better channel separation. - Fixed an issue where stereo audio could collapse back to mono after a few seconds. - Improved 19 kHz pilot tracking and 38 kHz stereo subcarrier recovery. - Added additional validation for left/right channel polarity, pilot loss handling, and mono fallback. - General DSP stability improvements for broadcast FM audio.
App privacy
The developer, Alien Systems S.R.L., reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Performance Data, Other Diagnostic Data, Crash Data
Used for: Analytics, App Functionality
Alternatives to CoronaSDR: RTL-SDR Client
Looking for apps like CoronaSDR: RTL-SDR Client? Here are 6 similar apps on the App Store. The highest rated is Echo: Global SDR Receiver (5.0/5), and all 6 are free to download.
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Spectral Bands: SDR Client
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Echo: Global SDR Receiver
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niliBOX
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SwR - Global Radio
4.5
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AM_SW Radio
5.0
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Ham Mixer Mobile
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| CoronaSDR: RTL-SDR Client | 5.0 / 5 (10 ratings) | Free | June 13, 2026 | |
| Spectral Bands: SDR Client | – | Free | Apr 20, 2026 | Compare |
| Echo: Global SDR Receiver | 5.0 / 5 (34) | Free | Sep 29, 2026 | Compare |
| niliBOX | 5.0 / 5 (1) | Free | Dec 28, 2025 | Compare |
| SwR - Global Radio | 4.5 / 5 (4) | Free | Oct 16, 2026 | Compare |
| AM_SW Radio | 5.0 / 5 (1) | Free | Jun 17, 2026 | Compare |
| Ham Mixer Mobile | 5.0 / 5 (1) | Free | Mar 27, 2026 | Compare |