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75 of 75 storefronts
Content in en-US
Content in en-US
Information
Preview 2 platforms
iPhone 3 images
iPad 7 images
What’s New Version 1.0.7
- 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.
Description
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.
Accessibility
ipadiphonemacrealityDevicetvoswatch
Version history 8 versions
Build 886918417v1.0.72026-06-13 22:25:08
- 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.
Build 886895150v1.0.62026-06-12 19:52:58
- Fixed an issue where WFM stereo audio could collapse to mono after a few seconds. Stereo playback now preserves proper left/right separation when audio AGC is enabled.
Build 886828668v1.0.52026-06-11 20:30:41
- Added optional WFM stereo demodulation for listening on earbuds, with a setting to disable it for weak stations.
- Added a clear button to quickly reset frequency entry.
- Fixed CSV station export showing a blank screen on iOS and macOS.
- General stability and tuning improvements.
Build 886779215v1.0.42026-06-10 19:42:59
- Added optional WFM stereo demodulation for listening on earbuds, with a setting to disable it for weak stations.
- Added a clear button to quickly reset frequency entry.
- Fixed CSV station export showing a blank screen on iOS and macOS.
- General stability and tuning improvements.
Build 884559823v1.0.32026-04-15 21:14:03
- Improved SDR tuning and FM reception quality.
- Better offset tuning, wide FM filtering, and HF+ Low sample-rate handling.
- More stable retuning across frequency, mode, and RF control changes.
Build 883592473v1.0.22026-03-20 22:31:01
- Improved FM audio quality with advanced noise filtering
- Fixed audio glitches when switching processing profiles
- Settings button shown when network permission is needed
- Fixed frequency keypad layout on Mac
Build 883547938v1.0.12026-03-19 18:38:24
- Tap or drag the waterfall to tune frequencies
- Pinch-to-zoom on the waterfall spectrum
- Quick settings accessible from the radio screen
- Scan tag filtering and saveable range scan presets
- Airspy HF+ Discovery sample rate profiles
- Waterfall and UI bug fixes
Build 882488706v1.0.02026-03-03 15:09:36
No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.
Availability 75 of 75 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
| US | en-US | Free | 6 | 5.0 | 1.0.7 |
| AG | en-GB | Free | 0 | — | 1.0.7 |
| AI | en-GB | Free | 0 | — | 1.0.7 |
| AO | en-GB | Free | 0 | — | 1.0.7 |
| AR | es-MX | Free | 0 | — | 1.0.7 |
| BB | en-GB | Free | 0 | — | 1.0.7 |
| BF | en-GB | Free | 0 | — | 1.0.7 |
| BJ | en-GB | Free | 0 | — | 1.0.7 |
| BO | es-MX | Free | 0 | — | 1.0.7 |
| BR | pt-BR | Free | 0 | — | 1.0.7 |
| BS | en-GB | Free | 0 | — | 1.0.7 |
| BW | en-GB | Free | 0 | — | 1.0.7 |
| BZ | en-GB | Free | 0 | — | 1.0.7 |
| CD | en-GB | Free | 0 | — | 1.0.7 |
| CG | en-GB | Free | 0 | — | 1.0.7 |
| CI | fr-FR | Free | 0 | — | 1.0.7 |
| CL | es-MX | Free | 0 | — | 1.0.7 |
| CM | fr-FR | Free | 0 | — | 1.0.7 |
| CO | es-MX | Free | 0 | — | 1.0.7 |
| CR | es-MX | Free | 0 | — | 1.0.7 |
| CV | en-GB | Free | 0 | — | 1.0.7 |
| DM | en-GB | Free | 0 | — | 1.0.7 |
| DO | es-MX | Free | 0 | — | 1.0.7 |
| DZ | en-GB | Free | 0 | — | 1.0.7 |
| EC | es-MX | Free | 0 | — | 1.0.7 |
| GA | fr-FR | Free | 0 | — | 1.0.7 |
| GD | en-GB | Free | 0 | — | 1.0.7 |
| GH | en-GB | Free | 0 | — | 1.0.7 |
| GM | en-GB | Free | 0 | — | 1.0.7 |
| GT | es-MX | Free | 0 | — | 1.0.7 |
| GW | en-GB | Free | 0 | — | 1.0.7 |
| GY | en-GB | Free | 0 | — | 1.0.7 |
| HN | es-MX | Free | 0 | — | 1.0.7 |
| JM | en-GB | Free | 0 | — | 1.0.7 |
| KE | en-GB | Free | 0 | — | 1.0.7 |
| KN | en-GB | Free | 0 | — | 1.0.7 |
| KY | en-GB | Free | 0 | — | 1.0.7 |
| LC | en-GB | Free | 0 | — | 1.0.7 |
| LR | en-GB | Free | 0 | — | 1.0.7 |
| LY | en-GB | Free | 0 | — | 1.0.7 |
| MA | en-GB | Free | 0 | — | 1.0.7 |
| MG | en-GB | Free | 0 | — | 1.0.7 |
| ML | en-GB | Free | 0 | — | 1.0.7 |
| MS | en-GB | Free | 0 | — | 1.0.7 |
| MU | en-GB | Free | 0 | — | 1.0.7 |
| MW | en-GB | Free | 0 | — | 1.0.7 |
| MX | es-MX | Free | 0 | — | 1.0.7 |
| MZ | en-GB | Free | 0 | — | 1.0.7 |
| NA | en-GB | Free | 0 | — | 1.0.7 |
| NE | en-GB | Free | 0 | — | 1.0.7 |
| NG | en-GB | Free | 0 | — | 1.0.7 |
| NI | es-MX | Free | 0 | — | 1.0.7 |
| PA | es-MX | Free | 0 | — | 1.0.7 |
| PE | es-MX | Free | 0 | — | 1.0.7 |
| PY | es-MX | Free | 0 | — | 1.0.7 |
| RW | en-GB | Free | 0 | — | 1.0.7 |
| SC | en-GB | Free | 0 | — | 1.0.7 |
| SL | en-GB | Free | 0 | — | 1.0.7 |
| SN | en-GB | Free | 0 | — | 1.0.7 |
| SR | en-GB | Free | 0 | — | 1.0.7 |
| ST | en-GB | Free | 0 | — | 1.0.7 |
| SV | es-MX | Free | 0 | — | 1.0.7 |
| SZ | en-GB | Free | 0 | — | 1.0.7 |
| TC | en-GB | Free | 0 | — | 1.0.7 |
| TD | en-GB | Free | 0 | — | 1.0.7 |
| TN | en-GB | Free | 0 | — | 1.0.7 |
| TT | en-GB | Free | 0 | — | 1.0.7 |
| TZ | en-GB | Free | 0 | — | 1.0.7 |
| UG | en-GB | Free | 0 | — | 1.0.7 |
| UY | en-GB | Free | 0 | — | 1.0.7 |
| VC | en-GB | Free | 0 | — | 1.0.7 |
| VE | es-MX | Free | 0 | — | 1.0.7 |
| VG | en-GB | Free | 0 | — | 1.0.7 |
| ZM | en-GB | Free | 0 | — | 1.0.7 |
| ZW | en-GB | Free | 0 | — | 1.0.7 |
Change log 12 changes · US
✎
releaseNotes updated
- 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
✎
description updated
CoronaSDR is an iOS app for listening to rtl_tcp SDR servers over your local network.
Key features:
- Live spectrum and waterfall rendering
- Demodulati
✎
subtitle updated
Low-Latency rtl_tcp Receiver
✎
name updated
CoronaSDR: RTL-SDR Client
◆
Version 1.0.7 released
- 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 va
◆
Version 1.0.6 released
- Fixed an issue where WFM stereo audio could collapse to mono after a few seconds. Stereo playback now preserves proper left/right separation when audio AGC is enabled.
◆
Version 1.0.5 released
- Added optional WFM stereo demodulation for listening on earbuds, with a setting to disable it for weak stations.
- Added a clear button to quickly reset frequency entry.
- Fixed CSV station export showing a blank screen on iOS and macOS.
◆
Version 1.0.4 released
- Added optional WFM stereo demodulation for listening on earbuds, with a setting to disable it for weak stations.
- Added a clear button to quickly reset frequency entry.
- Fixed CSV station export showing a blank screen on iOS and macOS.
◆
Version 1.0.3 released
- Improved SDR tuning and FM reception quality.
- Better offset tuning, wide FM filtering, and HF+ Low sample-rate handling.
- More stable retuning across frequency, mode, and RF control changes.
◆
Version 1.0.2 released
- Improved FM audio quality with advanced noise filtering
- Fixed audio glitches when switching processing profiles
- Settings button shown when network permission is needed
- Fixed frequency keypad layout on Mac
◆
Version 1.0.1 released
- Tap or drag the waterfall to tune frequencies
- Pinch-to-zoom on the waterfall spectrum
- Quick settings accessible from the radio screen
- Scan tag filtering and saveable range scan presets
- Airspy HF+ Discovery sample rate profiles
- W
◆
Version 1.0.0 released