# Non vs Maritime Master

The clearest difference is price: Maritime Master at Free against Non's $4.99. Maritime Master also leads on update cadence (every 6 weeks vs every 39 months). Non's advantage is iOS requirement (15.6 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Maritime Master is free to download; Non costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Non ships an update every 39 months, Maritime Master every 6 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Non | Maritime Master |
| --- | --- | --- |
| Price | $4.99 | **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 39 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 32 MB | 10 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Lukyanenko](https://appshunter.io/developer/1496252741) | [MARITIME MASTER LIMITED](https://appshunter.io/developer/1107589346) |

## What reviewers say

### Non

[App page](https://appshunter.io/ios/app/non-vessel-specific-support/id6451435529)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Non free?

Non costs $4.99, with no in-app purchases.

### Is Maritime Master free?

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

### Do Non or Maritime Master have ads?

Neither Non nor Maritime Master shows ads.

### Which is updated more often, Non or Maritime Master?

Non ships an update every 39 months, and Maritime Master every 6 weeks. Most recently, Non was updated on November 3, 2026 and Maritime Master on November 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.*