# RST Decoder Pro vs CW Morse Code Exam Prep 2025

The clearest difference is price: CW Morse Code Exam Prep 2025 at Free against RST Decoder Pro's $1.99. CW Morse Code Exam Prep 2025 also leads on iOS requirement (15.1 vs 17.0). RST Decoder Pro's advantage is in-app purchases (none vs 9). On ads and device support there is nothing between them.

CW Morse Code Exam Prep 2025 is free to download; RST Decoder Pro costs $1.99 up front. CW Morse Code Exam Prep 2025 sells 9 in-app purchases, starting at $7.99 per 7 days. RST Decoder Pro asks for nothing beyond the download.

## The numbers

| Metric | RST Decoder Pro | CW Morse Code Exam Prep 2025 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rst-decoder-pro/id1521025545/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Paid | — |
| Size | 1 MB | 39 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) |

## What reviewers say

### RST Decoder Pro

[App page](https://appshunter.io/ios/app/rst-decoder-pro/id1521025545)

This application decodes Morse code from your device's microphone, offering two decoding methods (BPF and FFT) with adjustable parameters. It includes features like automatic frequency detection, gain control, and real-time signal display for accurate Morse code practice and reception.

**Highlights:** Microphone Morse code decoding, BPF and FFT decoding methods, Auto Frequency Detector (AFD), Auto Gain Control (AGC), Real-time CW signal display, Waterfall display (Pro version), Adjustable control parameters

**In-app purchases:** none


### CW Morse Code Exam Prep 2025

[App page](https://appshunter.io/ios/app/cw-morse-code-exam-prep-2025/id6749154539)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Morse Weekly Full Access | $7.99 | per 7 days |
| Morse Monthly Full Access | $17.99 | per month |
| Morse Monthly Full Access | $17.99 | per month |
| Morse Quarterly Full Access | $55.99 | per 3 months |
| Morse Quarterly Full Access | $59.99 | per 3 months |
| Morse Semiannual Full Access | $75.99 | per 6 months |
| Morse Semiannual Full Access | $79.99 | per 6 months |
| Morse Annual Full Access | $109.99 | per year |
| Morse Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is RST Decoder Pro free?

RST Decoder Pro costs $1.99, with no in-app purchases.

### Is CW Morse Code Exam Prep 2025 free?

CW Morse Code Exam Prep 2025 is free to download, with in-app purchases available.

### Do RST Decoder Pro or CW Morse Code Exam Prep 2025 have ads?

Neither RST Decoder Pro nor CW Morse Code Exam Prep 2025 shows ads.

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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.*