# RST 599 Pro vs Learn Icelandic Phrases

The clearest difference is review sentiment: RST 599 Pro at 50% against Learn Icelandic Phrases's 0%. RST 599 Pro also leads on rating (4.0 vs 3.4) and in-app purchases (none vs 3). Learn Icelandic Phrases's advantage is price (Free vs $4.99) and ratings volume (20 vs 3). On update cadence and device support there is nothing between them.

Learn Icelandic Phrases is free to download; RST 599 Pro costs $4.99 up front. Learn Icelandic Phrases sells 3 in-app purchases, starting at $6.99 per 7 days. RST 599 Pro asks for nothing beyond the download.

RST 599 Pro holds the better App Store score, 4.0 against 3.4. That said, the two scores are not equally well evidenced: Learn Icelandic Phrases has 20 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of RST 599 Pro's written reviews are positive against 0% of Learn Icelandic Phrases's.

RST 599 Pro ships an update every 2 months, Learn Icelandic Phrases every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | RST 599 Pro | Learn Icelandic Phrases |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/rst-599-pro/id1497452984/reviews)** | [3.4 (20 ratings)](https://appshunter.io/ios/app/learn-icelandic-phrases/id1616615549/reviews) |
| Number of ratings | 3 | **20** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 40 MB | 256 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [Kishwar Sultana](https://appshunter.io/developer/1605566405) |

## What reviewers say

### RST 599 Pro

[App page](https://appshunter.io/ios/app/rst-599-pro/id1497452984)

This application simulates amateur radio CW QSOs with realistic call signs, signal levels, and speeds. It supports various QSO styles, pile-ups, and includes features like RIT, CW filters, and a spectrum scope for an immersive experience.

**Highlights:** Realistic CW QSO simulation, Pile-up reproduction (up to 5 stations), Multiple QSO style support, RIT and CW filter functions, Spectrum scope display, Customizable call sign and CW speed

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn Icelandic Phrases

[App page](https://appshunter.io/ios/app/learn-icelandic-phrases/id1616615549)

Master Icelandic with a comprehensive offline learning experience. This app offers over 100 lessons covering vocabulary, grammar, and pronunciation, from beginner to advanced levels. It's ideal for travelers and learners of all ages.

**Highlights:** Offline Icelandic learning, Over 100 lessons, 5000 common phrases and words, Native pronunciation audio, Beginner to advanced levels, Travel-focused content

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Learn Icelandic | $6.99 | per 7 days |
| Learn Icelandic | $29.99 | per year |
| Learn Icelandic | $49.99 | one-time |


## Frequently asked questions

### Is RST 599 Pro free?

RST 599 Pro costs $4.99, with no in-app purchases.

### Is Learn Icelandic Phrases free?

Learn Icelandic Phrases is free to download, with in-app purchases available.

### Which has better reviews, RST 599 Pro or Learn Icelandic Phrases?

RST 599 Pro is rated higher. RST 599 Pro averages 4.0 out of 5 from 3 ratings, while Learn Icelandic Phrases averages 3.4 from 20 ratings.

### Do RST 599 Pro or Learn Icelandic Phrases have ads?

Learn Icelandic Phrases shows ads; RST 599 Pro does not.

### Which is updated more often, RST 599 Pro or Learn Icelandic Phrases?

RST 599 Pro ships an update every 2 months, and Learn Icelandic Phrases every 3 months. Most recently, RST 599 Pro was updated on November 3, 2026 and Learn Icelandic Phrases 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.*