# Platform Supply DP vs Maritime Master

The clearest difference is price: Maritime Master at Free against Platform Supply DP's $5.99. Maritime Master also leads on update cadence (every 10 days vs every 39 months) and iOS requirement (13.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Maritime Master is free to download; Platform Supply DP costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Platform Supply DP ships an update every 39 months, Maritime Master every 10 days. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Platform Supply DP | Maritime Master |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 41 MB | 2.3 GB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Lukyanenko](https://appshunter.io/developer/1496252741) | [MARITIME MASTER LIMITED](https://appshunter.io/developer/1107589346) |

## What reviewers say

### Platform Supply DP

[App page](https://appshunter.io/ios/app/platform-supply-dp-operational/id6455370235)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Platform Supply DP free?

Platform Supply DP costs $5.99, with no in-app purchases.

### Is Maritime Master free?

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

### Do Platform Supply DP or Maritime Master have ads?

Neither Platform Supply DP nor Maritime Master shows ads.

### Which is updated more often, Platform Supply DP or Maritime Master?

Platform Supply DP ships an update every 39 months, and Maritime Master every 10 days. Most recently, Platform Supply DP was updated on October 18, 2026 and Maritime Master on October 19, 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.*