# DRFT MRKS vs Maritime Master

The clearest difference is price: DRFT MRKS at Free against Maritime Master's $3.99. DRFT MRKS also leads on rating (5.0 vs 1.0). Maritime Master's advantage is update cadence (every 2 days vs monthly). On ratings volume, ads, in-app purchases and device support there is nothing between them.

DRFT MRKS is free to download; Maritime Master costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DRFT MRKS holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

DRFT MRKS ships an update monthly, Maritime Master every 2 days. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | DRFT MRKS | Maritime Master |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/drft-mrks/id6741070099/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/maritime-master-knots/id6760225116/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | **Free** | Paid |
| Size | 60 MB | 30 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Tymor Marine Ltd](https://appshunter.io/developer/1769206109) | [MARITIME MASTER LIMITED](https://appshunter.io/developer/1107589346) |

## What reviewers say

### DRFT MRKS

[App page](https://appshunter.io/ios/app/drft-mrks/id6741070099)

This application uses AI and deep learning to accurately measure a vessel's draft from a short HD video. It aims to provide a verifiable source of truth for calculating vessel displacement, improving accuracy in determining loaded cargo and equipment.

**Highlights:** AI/Deep Learning technology, Measures vessel draft from video, Improves draft reading accuracy, Verifiable source of truth, Calculates vessel displacement

**Features:** macOS Compatibility

**In-app purchases:** none


### Maritime Master

[App page](https://appshunter.io/ios/app/maritime-master-knots/id6760225116)

Learn and master 42 essential rope knots with interactive 3D animations. This app provides step-by-step instructions, usage details, and difficulty ratings for practical rope work.

**Highlights:** Interactive 3D knot viewer, Step-by-step tying instructions, Rich knot data (usage, history, strength), Difficulty ratings for each knot, Search and filter functionality, Favorites list for quick access

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

**In-app purchases:** none


## Frequently asked questions

### Is DRFT MRKS free?

DRFT MRKS is free to download, with no in-app purchases.

### Is Maritime Master free?

Maritime Master costs $3.99, with no in-app purchases.

### Which has better reviews, DRFT MRKS or Maritime Master?

DRFT MRKS is rated higher. DRFT MRKS averages 5.0 out of 5 from 1 ratings, while Maritime Master averages 1.0 from 1 ratings.

### Do DRFT MRKS or Maritime Master have ads?

Neither DRFT MRKS nor Maritime Master shows ads.

### Which is updated more often, DRFT MRKS or Maritime Master?

DRFT MRKS ships an update monthly, and Maritime Master every 2 days. Most recently, DRFT MRKS was updated on November 4, 2026 and Maritime Master on November 9, 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.*