# Master vs Nautical Flags Helper

The clearest difference is price: Nautical Flags Helper at Free against Master's $1.99. Nautical Flags Helper also leads on rating (5.0 vs 4.7). Master's advantage is ads (none vs shown) and ratings volume (94 vs 1). On in-app purchases, device support and iOS requirement there is nothing between them.

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

Nautical Flags Helper holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Master has 94 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Master | Nautical Flags Helper |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.7 (94 ratings)](https://appshunter.io/ios/app/master-nav/id1602390396/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nautical-flags-helper/id6670582200/reviews)** |
| Number of ratings | **94** | 1 |
| Positive reviews | 96.9% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | — |
| Monetization | Paid | **Ad-supported** |
| Size | 117 MB | 35 MB |
| Requires iOS | **15.0** | 15.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peterjohn Chisholm](https://appshunter.io/developer/1602390398) | [Dmitrii Napolov](https://appshunter.io/developer/1766848960) |

## What reviewers say

### 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


### Nautical Flags Helper

[App page](https://appshunter.io/ios/app/nautical-flags-helper/id6670582200)

Master maritime communication with interactive flashcards and quizzes covering nautical signal flags, semaphore, and Morse code. Learn essential navigation and safety signals based on the International Code of Signals.

**Highlights:** International Code of Signals, Nautical signal flags, Semaphore signals, Morse code, Interactive flashcards, Quizzes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Master free?

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

### Is Nautical Flags Helper free?

Nautical Flags Helper is free to download, with no in-app purchases.

### Which has better reviews, Master or Nautical Flags Helper?

Nautical Flags Helper is rated higher. Master averages 4.7 out of 5 from 94 ratings, while Nautical Flags Helper averages 5.0 from 1 ratings.

### Do Master or Nautical Flags Helper have ads?

Nautical Flags Helper shows ads; Master does not.

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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.*