# RST Decoder vs Morse Code Translator

The clearest difference is in-app purchases: RST Decoder at none against Morse Code Translator's 2. RST Decoder also leads on rating (5.0 vs 4.7). Morse Code Translator's advantage is ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Morse Code Translator sells 2 in-app purchases, starting at $3.99 per 7 days. RST Decoder asks for nothing beyond the download.

RST Decoder holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

RST Decoder ships an update every 2 months, Morse Code Translator every 5 weeks. The most recent releases landed on September 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | RST Decoder | Morse Code Translator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/rst-decoder/id1519587362/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/morse-code-translator-glint/id6758366218/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 16 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [Drobinin Limited](https://appshunter.io/developer/1713029153) |

## 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 Code Translator

[App page](https://appshunter.io/ios/app/morse-code-translator-glint/id6758366218)

Learn Morse code with a comprehensive translator and trainer. Master characters using the Koch method, practice through various modes, and translate messages using your device's flashlight, screen, or audio.

**Highlights:** Koch method learning curriculum, Morse code translation, Practice modes: audio, visual, tapping, Signal via flashlight, screen pulse, or audio, Adjustable speed and timing controls, Detailed progress tracking, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Morse Course | $3.99 | per 7 days |
| Full Morse Course | $34.99 | per year |


## Frequently asked questions

### Is RST Decoder free?

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

### Is Morse Code Translator free?

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

### Which has better reviews, RST Decoder or Morse Code Translator?

RST Decoder is rated higher. RST Decoder averages 5.0 out of 5 from 7 ratings, while Morse Code Translator averages 4.7 from 3 ratings.

### Do RST Decoder or Morse Code Translator have ads?

RST Decoder shows ads; Morse Code Translator does not.

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

RST Decoder ships an update every 2 months, and Morse Code Translator every 5 weeks. Most recently, RST Decoder was updated on September 8, 2026 and Morse Code Translator on September 23, 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.*