# Master vs Marine Nav Lights Trainer

The clearest difference is price: Master at $1.99 against Marine Nav Lights Trainer's $4.99. Master also leads on chart position (#58 vs unranked) and iOS requirement (15.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Master costs $1.99 and Marine Nav Lights Trainer $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Master ships an update fortnightly, Marine Nav Lights Trainer every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Master | Marine Nav Lights Trainer |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | **[4.8 (100 ratings)](https://appshunter.io/ios/app/master-nav/id1602390396/reviews)** | — |
| Number of ratings | **100** | — |
| Positive reviews | 96.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | — |
| Best chart rank | **#58** | — |
| Size | 117 MB | 45 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peterjohn Chisholm](https://appshunter.io/developer/1602390398) | [Kai Mattern](https://appshunter.io/developer/1863017911) |

## What reviewers say

### Master

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

**Currently charting:** #58 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


### Marine Nav Lights Trainer

[App page](https://appshunter.io/ios/app/marine-nav-lights-trainer/id6757606955)

**In-app purchases:** none


## Frequently asked questions

### Is Master free?

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

### Is Marine Nav Lights Trainer free?

Marine Nav Lights Trainer costs $4.99, with no in-app purchases.

### Do Master or Marine Nav Lights Trainer have ads?

Neither Master nor Marine Nav Lights Trainer shows ads.

### Which is updated more often, Master or Marine Nav Lights Trainer?

Master ships an update fortnightly, and Marine Nav Lights Trainer every 3 weeks. Most recently, Master was updated on November 3, 2026 and Marine Nav Lights Trainer on October 31, 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.*