# NK vs PSC Ready

The clearest difference is iOS requirement: NK at 11.0 against PSC Ready's 15.6. On price, update cadence, 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.

NK ships an update every 6 months, PSC Ready every 7 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | NK | PSC Ready |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 7 months |
| Size | 26 MB | 31 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIPPON KAIJI KYOKAI GENERAL INCORPORATED FOUNDATION](https://appshunter.io/developer/956676437) | [Bureau Veritas Marine & Offshore](https://appshunter.io/developer/1437614422) |

## What reviewers say

### NK

[App page](https://appshunter.io/ios/app/nk-ships-mobile/id1109981701)

**Features:** macOS Compatibility

**In-app purchases:** none


### PSC Ready

[App page](https://appshunter.io/ios/app/psc-ready/id1318731256)

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

**In-app purchases:** none


## Frequently asked questions

### Is NK free?

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

### Is PSC Ready free?

PSC Ready is free to download, with no in-app purchases.

### Do NK or PSC Ready have ads?

Neither NK nor PSC Ready shows ads.

### Which is updated more often, NK or PSC Ready?

NK ships an update every 6 months, and PSC Ready every 7 months. Most recently, NK was updated on November 2, 2026 and PSC Ready on November 2, 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.*