# Marine Radar Simulator vs Master

The clearest difference is price: Marine Radar Simulator at Free against Master's $1.99. Marine Radar Simulator also leads on rating (5.0 vs 4.8) and iOS requirement (6.1 vs 15.0). Master's advantage is ratings volume (100 vs 1). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Marine Radar Simulator is free to download; Master costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Marine Radar Simulator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Master has 100 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Marine Radar Simulator's written reviews are positive against 97% of Master's.

Marine Radar Simulator ships an update every 2 weeks, Master fortnightly. The most recent releases landed on September 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Marine Radar Simulator | Master |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/marine-radar-simulator/id906962243/reviews)** | [4.8 (100 ratings)](https://appshunter.io/ios/app/master-nav/id1602390396/reviews) |
| Number of ratings | 1 | **100** |
| Positive reviews | **100.0% of reviews** | 96.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 11 MB | 117 MB |
| Requires iOS | **6.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社フルノソフテック](https://appshunter.io/developer/1015812767) | [Peterjohn Chisholm](https://appshunter.io/developer/1602390398) |

## What reviewers say

### Marine Radar Simulator

[App page](https://appshunter.io/ios/app/marine-radar-simulator/id906962243)

Practice using marine radar systems in a simulated offline environment. Learn to interpret radar echoes and adjust settings before navigating with real equipment. This tool is designed for educational purposes to familiarize users with radar operations.

**Highlights:** Offline radar simulation, Learn radar echo interpretation, Adjustable menu settings, Practice before onboard navigation, Simulated DRS4W functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Master

[App page](https://appshunter.io/ios/app/master-nav/id1602390396)

Learn maritime navigation rules with an interactive system designed for effective retention. This app breaks down complex regulations into manageable sections with visual aids and mnemonics. It revisits incorrect answers and provides instant graphical feedback, making the learning process intuitive and efficient.

**Highlights:** Interactive learning system, Step-by-step rule guidance, Mnemonics and memory aids, Interactive visuals, Graphical feedback on answers, Practice section with progress tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Marine Radar Simulator free?

Marine Radar Simulator is free to download, with no in-app purchases.

### Is Master free?

Master costs $1.99, with no in-app purchases.

### Which has better reviews, Marine Radar Simulator or Master?

Marine Radar Simulator is rated higher. Marine Radar Simulator averages 5.0 out of 5 from 1 ratings, while Master averages 4.8 from 100 ratings.

### Do Marine Radar Simulator or Master have ads?

Neither Marine Radar Simulator nor Master shows ads.

### Which is updated more often, Marine Radar Simulator or Master?

Marine Radar Simulator ships an update every 2 weeks, and Master fortnightly. Most recently, Marine Radar Simulator was updated on September 24, 2026 and Master on October 22, 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.*