# CoronaSDR vs Ham Engineering

The clearest difference is iOS requirement: Ham Engineering at 13.0 against CoronaSDR's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | CoronaSDR | Ham Engineering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/coronasdr-rtl-sdr-client/id6759222137/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 5 MB | 21 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alien Systems S.R.L.](https://appshunter.io/developer/1047123293) | [Yousif AL Balushi](https://appshunter.io/developer/1855752610) |

## What reviewers say

### CoronaSDR

[App page](https://appshunter.io/ios/app/coronasdr-rtl-sdr-client/id6759222137)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Ham Engineering

[App page](https://appshunter.io/ios/app/ham-engineering/id6795236723)

**In-app purchases:** none


## Frequently asked questions

### Is CoronaSDR free?

CoronaSDR is free to download, with no in-app purchases.

### Is Ham Engineering free?

Ham Engineering is free to download, with no in-app purchases.

### Do CoronaSDR or Ham Engineering have ads?

Neither CoronaSDR nor Ham Engineering shows ads.

### Which is updated more often, CoronaSDR or Ham Engineering?

CoronaSDR ships an update every 3 weeks, and Ham Engineering every 3 weeks. Most recently, CoronaSDR was updated on October 6, 2026 and Ham Engineering on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*