# Morse Words vs RST Decoder

The clearest difference is rating: RST Decoder at 5.0 against Morse Words's 4.4. RST Decoder also leads on update cadence (every 2 months vs every 12 months). Morse Words's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, in-app purchases and device support there is nothing between them.

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

RST Decoder holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 25 and 7 respectively. Written reviews complicate that: 74% of Morse Words's written reviews are positive against 67% of RST Decoder's, so the app with the better star average is not the one people write more warmly about.

Morse Words ships an update every 12 months, RST Decoder every 2 months. The most recent releases landed on September 6, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Morse Words | RST Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (25 ratings)](https://appshunter.io/ios/app/morse-words/id467401476/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/rst-decoder/id1519587362/reviews)** |
| Number of ratings | **25** | 7 |
| Positive reviews | **74.3% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 6 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [HotPaw Productions](https://appshunter.io/developer/285074853) | [koji kamogawa](https://appshunter.io/developer/1488210713) |

## What reviewers say

### Morse Words

[App page](https://appshunter.io/ios/app/morse-words/id467401476)

Learn Morse Code with audio-based word drills. This app generates random common English words in International Morse Code, allowing you to practice listening and copying. Adjust speed, tone, and optionally display words for learning.

**Highlights:** Audio Morse Code word learning, Random word generation, Adjustable WPM speed, Customizable dot speed (Farnsworth), Adjustable tone frequency, Optional word display, Custom word list input

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Morse Words free?

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

### Is RST Decoder free?

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

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

RST Decoder is rated higher. Morse Words averages 4.4 out of 5 from 25 ratings, while RST Decoder averages 5.0 from 7 ratings.

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

RST Decoder shows ads; Morse Words does not.

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

Morse Words ships an update every 12 months, and RST Decoder every 2 months. Most recently, Morse Words was updated on September 6, 2026 and RST Decoder on September 8, 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.*