# RST 599x vs Head Copy

The clearest difference is price: Head Copy at Free against RST 599x's $1.99. Head Copy also leads on update cadence (weekly vs every 2 months) and ratings volume (15 vs 1). RST 599x's advantage is rating (5.0 vs 3.7) and in-app purchases (none vs 2). On ads and device support there is nothing between them.

Head Copy is free to download; RST 599x costs $1.99 up front. Head Copy sells 2 in-app purchases, starting at $3.99 per month. RST 599x asks for nothing beyond the download.

RST 599x holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Head Copy has 15 ratings behind it against 1, so its average is the more settled of the two.

RST 599x ships an update every 2 months, Head Copy weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | RST 599x | Head Copy |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rst-599x/id1498597799/reviews)** | [3.7 (15 ratings)](https://appshunter.io/ios/app/head-copy/id6751758685/reviews) |
| Number of ratings | 1 | **15** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 71 MB | 8 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [CCE3D LLC](https://appshunter.io/developer/1553009036) |

## What reviewers say

### RST 599x

[App page](https://appshunter.io/ios/app/rst-599x/id1498597799)

This app simulates real-time CW QSO interactions for amateur radio enthusiasts. It offers various QSO styles, realistic signal conditions, and customizable station settings for an authentic experience. Features include pile-up reproduction and RIT/filter functions.

**Highlights:** CW QSO simulation, Pile-up reproduction, Multiple QSO styles, RIT and CW filter, Realistic signal meter, Spectrum scope display

**Features:** macOS Compatibility

**In-app purchases:** none


### Head Copy

[App page](https://appshunter.io/ios/app/head-copy/id6751758685)

Master Morse code with realistic QSO simulations and professional training modes. Practice with authentic callsigns, radio conditions, and contest simulations. Ideal for amateur radio operators looking to improve their CW skills.

**Highlights:** Realistic QSO simulator with real callsigns, Professional training modes (POTA, SKCC, Contest), Authentic radio experience with QSB, QRN, and vintage effects, Adjustable WPM speeds (5-50 WPM), CarPlay integration for practice on the go, Background learning with sleep timer

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Head Copy Premium Monthly | $3.99 | per month |
| Head Copy Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is RST 599x free?

RST 599x costs $1.99, with no in-app purchases.

### Is Head Copy free?

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

### Which has better reviews, RST 599x or Head Copy?

RST 599x is rated higher. RST 599x averages 5.0 out of 5 from 1 ratings, while Head Copy averages 3.7 from 15 ratings.

### Do RST 599x or Head Copy have ads?

Neither RST 599x nor Head Copy shows ads.

### Which is updated more often, RST 599x or Head Copy?

RST 599x ships an update every 2 months, and Head Copy weekly. Most recently, RST 599x was updated on November 3, 2026 and Head Copy on October 30, 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.*