# RST Decoder vs Morse Decoded

The clearest difference is in-app purchases: RST Decoder at none against Morse Decoded's 1. RST Decoder also leads on update cadence (every 2 months vs every 27 months). Morse Decoded's advantage is review sentiment (100% vs 67%) and device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Morse Decoded sells 1 one-off in-app purchase. RST Decoder asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for RST Decoder against 5.0 for Morse Decoded. Both are backed by a comparable volume of ratings — 7 and 6 respectively. Written reviews are what separate them: 67% of RST Decoder's written reviews are positive against 100% of Morse Decoded's.

RST Decoder ships an update every 2 months, Morse Decoded every 27 months. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RST Decoder | Morse Decoded |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/rst-decoder/id1519587362/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/morse-decoded/id1578820123/reviews) |
| Number of ratings | **7** | 6 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 27 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 47 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [Henry Abrahamsen](https://appshunter.io/developer/1544660671) |

## 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 Decoded

[App page](https://appshunter.io/ios/app/morse-decoded/id1578820123)

Learn and practice Morse code with interactive stories and dedicated training modes for tapping, listening, and reading. Features adjustable difficulty, a text-to-Morse translator, and progress tracking with badges.

**Highlights:** Stories Mode for realistic transmissions, Tapping, Listening, and Reading practice modes, Adjustable WPM and Farnsworth timing, Text-to-Morse translator, Quick reference dictionary, Progress tracking with badges and stats

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


## Frequently asked questions

### Is RST Decoder free?

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

### Is Morse Decoded free?

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

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

RST Decoder and Morse Decoded are both rated 5.0 out of 5 on the App Store, from 7 and 6 ratings respectively.

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

Both RST Decoder and Morse Decoded show ads.

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

RST Decoder ships an update every 2 months, and Morse Decoded every 27 months. Most recently, RST Decoder was updated on September 8, 2026 and Morse Decoded on September 9, 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.*