# Maritime Master vs CSM MATE

The clearest difference is update cadence: CSM MATE at every 2 weeks against Maritime Master's every 6 weeks. CSM MATE also leads on iOS requirement (15.5 vs 17.6). On price, ads, in-app purchases and device support 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 6 weeks, CSM MATE every 2 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | Maritime Master | CSM MATE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/maritime-master-skipper/id6749545029/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 10 MB | 124 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MARITIME MASTER LIMITED](https://appshunter.io/developer/1107589346) | [BAXY IT sp. z o.o.](https://appshunter.io/developer/1572207450) |

## What reviewers say

### Maritime Master

[App page](https://appshunter.io/ios/app/maritime-master-skipper/id6749545029)

Learn seamanship and small-craft navigation with interactive diagrams and calculators. Practice plotting positions, understanding tides, and mastering navigation techniques. Includes a reference library for essential maritime knowledge.

**Highlights:** Interactive diagrams and calculators, Dead reckoning and estimated position plotting, Tidal height and stream visualization, Position fixing and compass error modules, COLREGs, VHF, and meteorology reference, Speed-time-distance and unit conversion calculators

**Features:** macOS Compatibility

**In-app purchases:** none


### CSM MATE

[App page](https://appshunter.io/ios/app/csm-mate/id6756258306)

**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 CSM MATE free?

CSM MATE is free to download, with no in-app purchases.

### Do Maritime Master or CSM MATE have ads?

Neither Maritime Master nor CSM MATE shows ads.

### Which is updated more often, Maritime Master or CSM MATE?

Maritime Master ships an update every 6 weeks, and CSM MATE every 2 weeks. Most recently, Maritime Master was updated on November 5, 2026 and CSM MATE on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*