# Master vs RRS Coach

The clearest difference is price: RRS Coach at Free against Master's $1.99. RRS Coach also leads on rating (5.0 vs 4.8). Master's advantage is in-app purchases (none vs 1) and ratings volume (100 vs 2). On review sentiment, ads, device support and iOS requirement there is nothing between them.

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

RRS Coach 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 2, so its average is the more settled of the two. Written reviews point the same way: 97% of Master's written reviews are positive against 100% of RRS Coach's.

Master ships an update fortnightly, RRS Coach monthly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Master | RRS Coach |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.8 (100 ratings)](https://appshunter.io/ios/app/master-nav/id1602390396/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rrs-coach/id6763951696/reviews)** |
| Number of ratings | **100** | 2 |
| Positive reviews | 96.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 117 MB | 40 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peterjohn Chisholm](https://appshunter.io/developer/1602390398) | [GYBE DIGITAL LLC](https://appshunter.io/developer/1894084545) |

## 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


### RRS Coach

[App page](https://appshunter.io/ios/app/rrs-coach/id6763951696)

Master the Racing Rules of Sailing with this comprehensive study companion. It offers plain-English summaries, real-life scenarios, quizzes, and flashcards to help sailors of all levels understand and apply the rules confidently. Track your progress and access the official rulebook directly within the app.

**Highlights:** Browse 72 World Sailing rules with plain-English summaries, Work through 76 real racing scenarios, Take 80+ quiz questions with diagram illustrations, Daily scenario challenge to build streaks, Spaced repetition flashcards for focused learning, Track progress on rules read and scenarios solved, Access official World Sailing PDF rulebook

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RRS Coach Pro | $7.99 | one-time |


## Frequently asked questions

### Is Master free?

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

### Is RRS Coach free?

RRS Coach is free to download, with in-app purchases available.

### Which has better reviews, Master or RRS Coach?

RRS Coach is rated higher. Master averages 4.8 out of 5 from 100 ratings, while RRS Coach averages 5.0 from 2 ratings.

### Do Master or RRS Coach have ads?

Neither Master nor RRS Coach shows ads.

### Which is updated more often, Master or RRS Coach?

Master ships an update fortnightly, and RRS Coach monthly. Most recently, Master was updated on October 27, 2026 and RRS Coach on October 25, 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.*