# RST Decoder vs MorseForge

The clearest difference is in-app purchases: RST Decoder at none against MorseForge's 2. MorseForge's advantage is ads (none vs shown) and review sentiment (100% vs 67%). On price, rating and ratings volume there is nothing between them.

Both are free to download. MorseForge sells 2 in-app purchases, starting at $3.99 per month. 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 MorseForge. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews are what separate them: 67% of RST Decoder's written reviews are positive against 100% of MorseForge's.

RST Decoder ships an update every 2 months, MorseForge every 3 days. The most recent releases landed on September 27, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | RST Decoder | MorseForge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/rst-decoder/id1519587362/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/morseforge/id6757250658/reviews) |
| Number of ratings | **7** | 5 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Ad-supported** | Freemium |
| Size | 6 MB | 60 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [Jacob McCaig](https://appshunter.io/developer/1865556486) |

## 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


### MorseForge

[App page](https://appshunter.io/ios/app/morseforge/id6757250658)

Learn Morse code through interactive lessons, engaging practice modes, and a unique story-driven adventure. Track your progress, unlock achievements, and connect with friends while mastering this timeless communication skill.

**Highlights:** Structured Koch method lessons, Multiple practice modes (Speed, Word, Zen), Story mode with choices and multiple endings, Gamified progression with levels and achievements, Cloud sync for cross-device progress, Detailed analytics and progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Forge Pass Monthly | $3.99 | per month |
| Forge Pass Yearly | $29.99 | per year |


## Frequently asked questions

### Is RST Decoder free?

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

### Is MorseForge free?

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

### Which has better reviews, RST Decoder or MorseForge?

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

### Do RST Decoder or MorseForge have ads?

RST Decoder shows ads; MorseForge does not.

### Which is updated more often, RST Decoder or MorseForge?

RST Decoder ships an update every 2 months, and MorseForge every 3 days. Most recently, RST Decoder was updated on September 27, 2026 and MorseForge on September 22, 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.*