Comparison

CoronaSDR vs DXLens

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full 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.

About

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.

Highlights
  • 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
Read full description

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

CoronaSDR3 screens
DXLens4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

CoronaSDR ships an update every 9 days, DXLens every 10 days. Both last shipped on October 31, 2026.

Scorecard3 real differences · 7 level
CoronaSDR versus DXLens: the parameters behind the verdict, then further details
ParameterCoronaSDRDXLens
PriceFreeFree
Rating5.0 (10 ratings) — better3.0 (2 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings10 — better2
Update frequencyEvery 9 days — betterEvery 10 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size5 MB160 MB
Age rating4+4+
DeveloperAlien Systems S.R.L.Muayyad Qalalwah

Customer experience

CoronaSDR

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

DXLens

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

CoronaSDR

No in-app purchases

None

DXLens

No in-app purchases

Questions

Is CoronaSDR free?
CoronaSDR is free to download, with no in-app purchases.
Is DXLens free?
DXLens is free to download, with no in-app purchases.
Which has better reviews, CoronaSDR or DXLens?
CoronaSDR is rated higher. CoronaSDR averages 5.0 out of 5 from 10 ratings, while DXLens averages 3.0 from 2 ratings.
Do CoronaSDR or DXLens have ads?
Neither CoronaSDR nor DXLens shows ads.
Which is updated more often, CoronaSDR or DXLens?
CoronaSDR ships an update every 9 days, and DXLens every 10 days. Most recently, CoronaSDR was updated on October 31, 2026 and DXLens on October 31, 2026.

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