# Maritime Academy vs Master

The clearest difference is price: Maritime Academy at Free against Master's $1.99. Maritime Academy also leads on rating (4.9 vs 4.7) and iOS requirement (13.0 vs 15.0). Master's advantage is in-app purchases (none vs 1) and update cadence (fortnightly vs every 42 months). On review sentiment, ratings volume, ads and device support there is nothing between them.

Maritime Academy is free to download; Master costs $1.99 up front. Maritime Academy sells 1 one-off in-app purchase. Master asks for nothing beyond the download.

Maritime Academy holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 189 and 94 respectively. Written reviews point the same way: 100% of Maritime Academy's written reviews are positive against 97% of Master's.

Maritime Academy ships an update every 42 months, Master fortnightly. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Maritime Academy | Master |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (189 ratings)](https://appshunter.io/ios/app/maritime-academy-ics-flags/id1590113271/reviews)** | [4.7 (94 ratings)](https://appshunter.io/ios/app/master-nav/id1602390396/reviews) |
| Number of ratings | **189** | 94 |
| Positive reviews | **100.0% of reviews** | 96.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 42 months | **Fortnightly** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#119** |
| Size | 26 MB | 117 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xiang Dong](https://appshunter.io/developer/1511041685) | [Peterjohn Chisholm](https://appshunter.io/developer/1602390398) |

## What reviewers say

### Maritime Academy

[App page](https://appshunter.io/ios/app/maritime-academy-ics-flags/id1590113271)

Learn maritime signal flags and the International Code of Signals through engaging levels and challenges. This app offers a structured approach to mastering flag meanings, abbreviations, and communication methods used at sea. It's designed for efficient memorization and progress, suitable for various maritime enthusiasts.

**Highlights:** 104 levels and 35 challenges, Covers Letters, Numbers, Words, Substitutes, Single Flag Meanings, Abbreviations, Progressive learning and focused repetition, Explore screen for self-paced learning, Works completely offline, No ads

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $2.99 | one-time |


### Master

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

**Currently charting:** #119 Top Paid · Education (US App Store)

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 Maritime Academy free?

Maritime Academy is free to download, with in-app purchases available.

### Is Master free?

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

### Which has better reviews, Maritime Academy or Master?

Maritime Academy is rated higher. Maritime Academy averages 4.9 out of 5 from 189 ratings, while Master averages 4.7 from 94 ratings.

### Do Maritime Academy or Master have ads?

Neither Maritime Academy nor Master shows ads.

### Which is updated more often, Maritime Academy or Master?

Maritime Academy ships an update every 42 months, and Master fortnightly. Most recently, Maritime Academy was updated on September 21, 2026 and Master on September 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.*