# Lights and Shapes vs Master

The clearest difference is review sentiment: Master at 97% against Lights and Shapes's 10%. Master also leads on update cadence (fortnightly vs every 5 months) and price ($1.99 vs $6.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Lights and Shapes costs $6.99 and Master $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lights and Shapes ships an update every 5 months, Master fortnightly. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Lights and Shapes | Master |
| --- | --- | --- |
| Price | $6.99 | **$1.99** |
| Rating | — | **[4.8 (100 ratings)](https://appshunter.io/ios/app/master-nav/id1602390396/reviews)** |
| Number of ratings | — | **100** |
| Positive reviews | 10.0% of reviews | **96.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#193** |
| Size | 20 MB | 117 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergio Guaita](https://appshunter.io/developer/634084147) | [Peterjohn Chisholm](https://appshunter.io/developer/1602390398) |

## What reviewers say

### Lights and Shapes

[App page](https://appshunter.io/ios/app/lights-and-shapes/id634084144)

Master maritime navigation rules with interactive 3D models of vessels. Learn to identify ships, understand their routes, and avoid collisions by exploring day and night views. Ideal for boaters, students, and maritime professionals seeking an engaging learning experience.

**Highlights:** Interactive 3D vessel models, Day and night views, Official text of navigation rules, Flashcards for self-testing, Collision avoidance guidance

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

**In-app purchases:** none


### Master

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

**Currently charting:** #193 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 Lights and Shapes free?

Lights and Shapes costs $6.99, with no in-app purchases.

### Is Master free?

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

### Do Lights and Shapes or Master have ads?

Neither Lights and Shapes nor Master shows ads.

### Which is updated more often, Lights and Shapes or Master?

Lights and Shapes ships an update every 5 months, and Master fortnightly. Most recently, Lights and Shapes was updated on October 8, 2026 and Master on October 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.*