# RST Decoder vs Morse Hub

The clearest difference is ads: Morse Hub at none against RST Decoder's shown. Morse Hub also leads on review sentiment (100% vs 67%) and update cadence (weekly vs every 2 months). RST Decoder's advantage is monetization model (ad-supported vs paid). On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 5.0 for RST Decoder against 5.0 for Morse Hub. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews are what separate them: 67% of RST Decoder's written reviews are positive against 100% of Morse Hub's.

RST Decoder ships an update every 2 months, Morse Hub weekly. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | RST Decoder | Morse Hub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/rst-decoder/id1519587362/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/morse-hub-learn-morse-code/id6783998364/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Ad-supported** | Paid |
| Size | 6 MB | 3 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [Thomas Sullivan](https://appshunter.io/developer/6783998366) |

## What reviewers say

### RST Decoder

[App page](https://appshunter.io/ios/app/rst-decoder/id1519587362)

This application decodes Morse code from your microphone, acting as a practice tool to verify your keying accuracy. It offers advanced features like BPF and FFT decoders with automatic frequency and gain control, allowing for fine-tuning of reception parameters.

**Highlights:** Microphone Morse code decoding, Morse practice and keying check, BPF and FFT decoder options, Auto Frequency Detector (AFD), Auto Gain Control (AGC), Real-time CW signal display, Input signal recording/playback

**In-app purchases:** none


### Morse Hub

[App page](https://appshunter.io/ios/app/morse-hub-learn-morse-code/id6783998364)

This app helps aspiring ham radio operators learn and master Morse code. It offers adjustable speed and timing, practice modes for copying and sending, and realistic QSO simulations to prepare users for on-air communication.

**Highlights:** Learn Morse code characters, Adjustable speed and Farnsworth timing, Practice copying words and characters, Sending practice with virtual straight key, Realistic QSO simulations, Customizable practice modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RST Decoder free?

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

### Is Morse Hub free?

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

### Which has better reviews, RST Decoder or Morse Hub?

RST Decoder and Morse Hub are both rated 5.0 out of 5 on the App Store, from 7 and 3 ratings respectively.

### Do RST Decoder or Morse Hub have ads?

RST Decoder shows ads; Morse Hub does not.

### Which is updated more often, RST Decoder or Morse Hub?

RST Decoder ships an update every 2 months, and Morse Hub weekly. Most recently, RST Decoder was updated on October 21, 2026 and Morse Hub on October 17, 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.*