# RST Decoder vs Morse Code Translator App

The clearest difference is review sentiment: RST Decoder at 67% against Morse Code Translator App's 0%. RST Decoder also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 3). Morse Code Translator App's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Morse Code Translator App sells 3 in-app purchases, starting at $5.99 per month. RST Decoder asks for nothing beyond the download.

RST Decoder holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: RST Decoder has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of RST Decoder's written reviews are positive against 0% of Morse Code Translator App's.

RST Decoder ships an update every 2 months, Morse Code Translator App every 12 months. The most recent releases landed on September 8, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | RST Decoder | Morse Code Translator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/rst-decoder/id1519587362/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/morse-code-translator-app/id1639114308/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Ad-supported | **Free** |
| Size | 6 MB | 53 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [Leticia Vila](https://appshunter.io/developer/1609278510) |

## 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

[App page](https://appshunter.io/ios/app/morse-code-translator-app/id1639114308)

Translate text to Morse code and Morse code back to text in real-time. Share your translated messages easily with friends. Features include sound and vibration feedback, and the ability to use the flashlight for transmission.

**Highlights:** Real-time translation, Morse to text translation, Text to Morse translation, International Morse Code standard, Flashlight transmission, Sound and vibration feedback, Copy and paste functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Morse Premium | $5.99 | per month |
| Morse Premium Annual | $19.99 | per year |
| Morse Premium Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is RST Decoder free?

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

### Is Morse Code Translator App free?

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

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

RST Decoder is rated higher. RST Decoder averages 5.0 out of 5 from 7 ratings, while Morse Code Translator App averages 1.0 from 1 ratings.

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

RST Decoder shows ads; Morse Code Translator App does not.

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

RST Decoder ships an update every 2 months, and Morse Code Translator App every 12 months. Most recently, RST Decoder was updated on September 8, 2026 and Morse Code Translator App on August 12, 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.*