# Master vs AMC Collision Regulations

The clearest difference is review sentiment: Master at 97% against AMC Collision Regulations's 0%. Master also leads on update cadence (fortnightly vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Master costs $1.99 and AMC Collision Regulations $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Master ships an update fortnightly, AMC Collision Regulations every 4 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Master | AMC Collision Regulations |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[4.8 (100 ratings)](https://appshunter.io/ios/app/master-nav/id1602390396/reviews)** | — |
| Number of ratings | **100** | — |
| Positive reviews | **96.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Paid | Paid |
| Size | 117 MB | 32 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peterjohn Chisholm](https://appshunter.io/developer/1602390398) | [AMC Search Ltd](https://appshunter.io/developer/1640174244) |

## 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


### AMC Collision Regulations

[App page](https://appshunter.io/ios/app/amc-collision-regulations/id6755447161)

Master maritime navigation rules with this comprehensive learning and reference tool. It utilizes proven educational methods to help users understand, apply, and test their knowledge of collision regulations, featuring interactive elements and offline access.

**Highlights:** Overview of maritime Collision Regulations (COLREGS), Learning process from Australian Maritime College, Animations, diagrams, and interactive elements, Searchable rule text, Quizzes for each rule with score sharing, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Master free?

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

### Is AMC Collision Regulations free?

AMC Collision Regulations costs $1.99, with no in-app purchases.

### Do Master or AMC Collision Regulations have ads?

Neither Master nor AMC Collision Regulations shows ads.

### Which is updated more often, Master or AMC Collision Regulations?

Master ships an update fortnightly, and AMC Collision Regulations every 4 months. Most recently, Master was updated on October 27, 2026 and AMC Collision Regulations on October 28, 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.*