# Im On Board vs DRFT MRKS

The clearest difference is update cadence: Im On Board at every 9 days against DRFT MRKS's monthly. Im On Board also leads on device support (3 vs 1) and iOS requirement (15.6 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.

Im On Board ships an update every 9 days, DRFT MRKS monthly. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Im On Board | 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 9 days** | Monthly |
| Monetization | — | Free |
| Size | 25 MB | 60 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Katarzyna Drop](https://appshunter.io/developer/1891804124) | [Tymor Marine Ltd](https://appshunter.io/developer/1769206109) |

## What reviewers say

### Im On Board

[App page](https://appshunter.io/ios/app/im-on-board/id6738877462)

**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 Im On Board free?

Im On Board 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 Im On Board or DRFT MRKS have ads?

Neither Im On Board nor DRFT MRKS shows ads.

### Which is updated more often, Im On Board or DRFT MRKS?

Im On Board ships an update every 9 days, and DRFT MRKS monthly. Most recently, Im On Board was updated on October 30, 2026 and DRFT MRKS on November 4, 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.*