# CW Trainer vs RST 599xp

The clearest difference is review sentiment: RST 599xp at 100% against CW Trainer's 44%. RST 599xp also leads on rating (5.0 vs 1.8) and in-app purchases (none vs 2). CW Trainer's advantage is price (Free vs $2.99) and ratings volume (4 vs 1). On update cadence, ads and monetization model there is nothing between them.

CW Trainer is free to download; RST 599xp costs $2.99 up front. CW Trainer sells 2 in-app purchases, starting at $3.99 per month. RST 599xp asks for nothing beyond the download.

RST 599xp holds the better App Store score, 5.0 against 1.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 44% of CW Trainer's written reviews are positive against 100% of RST 599xp's.

CW Trainer ships an update every 3 months, RST 599xp every 2 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | CW Trainer | RST 599xp |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [1.8 (4 ratings)](https://appshunter.io/ios/app/cw-trainer/id1132950396/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rst-599xp/id1524193178/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 44.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 44 MB | 40 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [md](https://appshunter.io/developer/502360039) | [koji kamogawa](https://appshunter.io/developer/1488210713) |

## What reviewers say

### CW Trainer

[App page](https://appshunter.io/ios/app/cw-trainer/id1132950396)

Learn Morse code using the effective Koch method. This app introduces letters at full speed, adding new ones as proficiency increases, to build and improve your Morse code skills.

**Highlights:** Morse code learning, Koch method implementation, Proficiency-based learning, Skill improvement

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DX Pass — Monthly | $3.99 | per month |
| CW Trainer — Full Unlock | $4.99 | one-time |


### RST 599xp

[App page](https://appshunter.io/ios/app/rst-599xp/id1524193178)

This app simulates amateur radio CW QSOs with realistic call signs, signal levels, and speeds. It supports various QSO styles, including contest and rubber stamp, with features like pile-up reproduction and RIT control.

**Highlights:** CW QSO simulation, Realistic call signs and signal levels, Pile-up reproduction (up to 3 stations), RIT and CW filter functions, Spectrum scope display, Contest and rubber stamp QSO styles

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CW Trainer free?

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

### Is RST 599xp free?

RST 599xp costs $2.99, with no in-app purchases.

### Which has better reviews, CW Trainer or RST 599xp?

RST 599xp is rated higher. CW Trainer averages 1.8 out of 5 from 4 ratings, while RST 599xp averages 5.0 from 1 ratings.

### Do CW Trainer or RST 599xp have ads?

Neither CW Trainer nor RST 599xp shows ads.

### Which is updated more often, CW Trainer or RST 599xp?

CW Trainer ships an update every 3 months, and RST 599xp every 2 months. Most recently, CW Trainer was updated on October 24, 2026 and RST 599xp on October 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.*