CoronaSDR vs DXLens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CoronaSDR
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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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.
DXLens
Explore shortwave radio broadcasts with this comprehensive guide. Discover schedules, understand reception conditions, and access public SDR receivers. Log your reception and set alerts for your favorite stations.
- Shortwave broadcast schedules
- On Air broadcast views
- Station search and filtering
- Interactive maps and station details
- Reception forecasts and reliability
- Access to public SDR receivers
- Reception logbook and alerts
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DXLens is a shortwave listening companion designed to help listeners explore broadcast schedules, understand reception conditions, and access compatible public SDR receivers. Key features: • Shortwave schedules compiled from multiple established sources • On Air views for broadcasts scheduled at the current time • Search and filtering by station, frequency, language, band, target area, and source • Interactive maps, station details, and transmitter information • Reception forecasts, modeled path reliability, and propagation context • Access to compatible public KiwiSDR receivers • Support for compatible personal rtl_tcp receivers • Favorites, saved receivers, alerts, and a reception logbook • Home Screen widgets • Optional iCloud synchronization for supported user data • Manual location selection when location access is not granted All features in this release are available without a subscription or in-app purchase. No account or sign-in is required. DXLens provides schedule-based guidance and transparent reception information. It does not claim to measure live signal strength unless data is obtained from an actual receiver. Some features require an internet connection. Public SDR availability depends on third-party receiver operators and network conditions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dxlens.app/privacy
Screenshots
Verdict
The clearest difference is review sentiment: CoronaSDR at 100% against DXLens's 50%. CoronaSDR also leads on rating (5.0 vs 3.0) and ratings volume (10 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CoronaSDR holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: CoronaSDR has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of CoronaSDR's written reviews are positive against 50% of DXLens's.
CoronaSDR ships an update every 9 days, DXLens every 10 days. Both last shipped on October 31, 2026.
| Parameter | CoronaSDR | DXLens |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 10 — better | 2 |
| Update frequency | Every 9 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 160 MB |
| Age rating | 4+ | 4+ |
| Developer | Alien Systems S.R.L. | Muayyad Qalalwah |
Customer experience
CoronaSDR
DXLens
In-app purchases
CoronaSDR
No in-app purchases
DXLens
No in-app purchases









