# RST Decoder vs ISO26262 Learning

The clearest difference is in-app purchases: RST Decoder at none against ISO26262 Learning's 9. ISO26262 Learning's advantage is ads (none vs shown) and update cadence (weekly vs every 2 months). On price there is nothing between them.

Both are free to download. ISO26262 Learning sells 9 one-off in-app purchases. RST Decoder asks for nothing beyond the download.

RST Decoder ships an update every 2 months, ISO26262 Learning weekly. The most recent releases landed on September 8, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | RST Decoder | ISO26262 Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/rst-decoder/id1519587362/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 2 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [SafeLine Solutions GmbH](https://appshunter.io/developer/1793529610) |

## 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


### ISO26262 Learning

[App page](https://appshunter.io/ios/app/iso26262-learning/id6742312281)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ML01 - Module & Lesson #3 | $6.99 | one-time |
| ML02 - Module & Lesson #4 | $6.99 | one-time |
| ML03 - Module & Lesson #5 | $6.99 | one-time |
| ML04 - Module & Lesson #6 | $6.99 | one-time |
| ML08 - Module & Lesson #10 | $6.99 | one-time |
| ML05 - Module & Lesson #7 | $6.99 | one-time |
| ML06 - Module & Lesson #8 | $6.99 | one-time |
| ML07 - Module & Lesson #9 | $6.99 | one-time |
| All Modules (3-10) | $44.99 | one-time |


## Frequently asked questions

### Is RST Decoder free?

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

### Is ISO26262 Learning free?

ISO26262 Learning is free to download, with in-app purchases available.

### Do RST Decoder or ISO26262 Learning have ads?

RST Decoder shows ads; ISO26262 Learning does not.

### Which is updated more often, RST Decoder or ISO26262 Learning?

RST Decoder ships an update every 2 months, and ISO26262 Learning weekly. Most recently, RST Decoder was updated on September 8, 2026 and ISO26262 Learning on June 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.*