# RST 599xp vs LingualMuse

The clearest difference is price: LingualMuse at Free against RST 599xp's $2.99. LingualMuse also leads on device support (3 vs 1) and ratings volume (3 vs 1). RST 599xp's advantage is rating (5.0 vs 4.7). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

LingualMuse is free to download; RST 599xp costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RST 599xp holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

RST 599xp ships an update every 2 months, LingualMuse monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | RST 599xp | LingualMuse |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rst-599xp/id1524193178/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/lingualmuse/id1613852004/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 40 MB | 32 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [LingualMuse.com Inc.](https://appshunter.io/developer/1564765052) |

## What reviewers say

### 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


### LingualMuse

[App page](https://appshunter.io/ios/app/lingualmuse/id1613852004)

This app helps language learners manage their lessons, schedule, and practice with an AI tutor. It combines live human coaching with AI-powered study tools to enhance fluency and cultural understanding.

**Highlights:** Live lesson scheduling, AI-powered practice sessions, Multi-language support, Customizable study areas, Guardian login for parents, Account management

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

**In-app purchases:** none


## Frequently asked questions

### Is RST 599xp free?

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

### Is LingualMuse free?

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

### Which has better reviews, RST 599xp or LingualMuse?

RST 599xp is rated higher. RST 599xp averages 5.0 out of 5 from 1 ratings, while LingualMuse averages 4.7 from 3 ratings.

### Do RST 599xp or LingualMuse have ads?

Neither RST 599xp nor LingualMuse shows ads.

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

RST 599xp ships an update every 2 months, and LingualMuse monthly. Most recently, RST 599xp was updated on November 3, 2026 and LingualMuse on November 3, 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.*