# MESPAS TSM vs DRFT MRKS

The clearest difference is update cadence: DRFT MRKS at monthly against MESPAS TSM's every 2 months. MESPAS TSM's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). 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.

MESPAS TSM ships an update every 2 months, DRFT MRKS monthly. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | MESPAS TSM | DRFT MRKS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/drft-mrks/id6741070099/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 34 MB | 60 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MESPAS AG](https://appshunter.io/developer/1073594128) | [Tymor Marine Ltd](https://appshunter.io/developer/1769206109) |

## What reviewers say

### MESPAS TSM

[App page](https://appshunter.io/ios/app/mespas-tsm/id1598358369)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is MESPAS TSM free?

MESPAS TSM is free to download, with no in-app purchases.

### Is DRFT MRKS free?

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

### Do MESPAS TSM or DRFT MRKS have ads?

Neither MESPAS TSM nor DRFT MRKS shows ads.

### Which is updated more often, MESPAS TSM or DRFT MRKS?

MESPAS TSM ships an update every 2 months, and DRFT MRKS monthly. Most recently, MESPAS TSM was updated on October 21, 2026 and DRFT MRKS on October 20, 2026.

---

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