# DigiDecoder vs CoronaSDR

The clearest difference is review sentiment: CoronaSDR at 100% against DigiDecoder's 50%. CoronaSDR also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 3). DigiDecoder's advantage is update cadence (every 3 days vs every 3 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. DigiDecoder sells 3 in-app purchases, starting at $2.99 per month. CoronaSDR asks for nothing beyond the download.

CoronaSDR holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews point the same way: 50% of DigiDecoder's written reviews are positive against 100% of CoronaSDR's.

DigiDecoder ships an update every 3 days, CoronaSDR every 3 weeks. The most recent releases landed on September 11, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | DigiDecoder | CoronaSDR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (7 ratings)](https://appshunter.io/ios/app/digidecoder-ham-radio/id6759073503/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/coronasdr-rtl-sdr-client/id6759222137/reviews)** |
| Number of ratings | **7** | 5 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 5 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lukasz Skierkowski](https://appshunter.io/developer/1280847319) | [Alien Systems S.R.L.](https://appshunter.io/developer/1047123293) |

## What reviewers say

### DigiDecoder

[App page](https://appshunter.io/ios/app/digidecoder-ham-radio/id6759073503)

This application decodes and encodes various ham radio digital modes in real-time. It automatically recognizes signals, displays them with an animated waterfall, and supports sending SSTV images, CW, FT8, and Packet messages.

**Highlights:** Real-time digital mode decoding, Automatic signal recognition, Animated waterfall display, SSTV image encoding, CW, FT8, and Packet message encoding, Bluetooth and network TNC support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DigiDecoder Monthly | $2.99 | per month |
| DigiDecoder Trial | Free | one-time |
| DigiDecoder Lifetime | $8.99 | one-time |


### 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


## Frequently asked questions

### Is DigiDecoder free?

DigiDecoder is free to download, with in-app purchases available.

### Is CoronaSDR free?

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

### Which has better reviews, DigiDecoder or CoronaSDR?

CoronaSDR is rated higher. DigiDecoder averages 4.4 out of 5 from 7 ratings, while CoronaSDR averages 5.0 from 5 ratings.

### Do DigiDecoder or CoronaSDR have ads?

Neither DigiDecoder nor CoronaSDR shows ads.

### Which is updated more often, DigiDecoder or CoronaSDR?

DigiDecoder ships an update every 3 days, and CoronaSDR every 3 weeks. Most recently, DigiDecoder was updated on September 11, 2026 and CoronaSDR on September 5, 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.*