# Maritime Master vs Simple Colregs

The clearest difference is update cadence: Simple Colregs at every 2 days against Maritime Master's every 10 days. Maritime Master's advantage is device support (4 vs 1) and iOS requirement (13.0 vs 18.5). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Maritime Master ships an update every 10 days, Simple Colregs every 2 days. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Maritime Master | Simple Colregs |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 2.3 GB | 21 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MARITIME MASTER LIMITED](https://appshunter.io/developer/1107589346) | [Angad C](https://appshunter.io/developer/1464302295) |

## What reviewers say

### Maritime Master

[App page](https://appshunter.io/ios/app/maritime-master/id6741146129)

Master maritime navigation and safety with an interactive 3D learning experience. Covers COLREGs, flags, ropework, navigation, meteorology, and more through engaging lessons and quizzes.

**Highlights:** Interactive 3D ropework and knot tying, COLREGs reference and quizzes, Flag and phonetic alphabet learning, Maritime safety procedures, Navigation tools and techniques, Meteorology and weather patterns, Comprehensive maritime exams

**Features:** Vision Pro support

**In-app purchases:** none


### Simple Colregs

[App page](https://appshunter.io/ios/app/simple-colregs/id6748556558)

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

**In-app purchases:** none


## Frequently asked questions

### Is Maritime Master free?

Maritime Master is free to download, with no in-app purchases.

### Is Simple Colregs free?

Simple Colregs is free to download, with no in-app purchases.

### Do Maritime Master or Simple Colregs have ads?

Neither Maritime Master nor Simple Colregs shows ads.

### Which is updated more often, Maritime Master or Simple Colregs?

Maritime Master ships an update every 10 days, and Simple Colregs every 2 days. Most recently, Maritime Master was updated on October 14, 2026 and Simple Colregs on October 5, 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.*