# ClassNK Onboard Image Logger vs KR PSC ADVISER

The clearest difference is update cadence: KR PSC ADVISER at every 3 months against ClassNK Onboard Image Logger's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ClassNK Onboard Image Logger ships an update every 9 months, KR PSC ADVISER every 3 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | ClassNK Onboard Image Logger | KR PSC ADVISER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Size | 48 MB | 29 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NIPPON KAIJI KYOKAI GENERAL INCORPORATED FOUNDATION](https://appshunter.io/developer/956676437) | [Korean Register](https://appshunter.io/developer/600805564) |

## What reviewers say

### ClassNK Onboard Image Logger

[App page](https://appshunter.io/ios/app/classnk-onboard-image-logger/id1614585559)

**In-app purchases:** none


### KR PSC ADVISER

[App page](https://appshunter.io/ios/app/kr-psc-adviser/id1660497283)

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

**In-app purchases:** none


## Frequently asked questions

### Is ClassNK Onboard Image Logger free?

ClassNK Onboard Image Logger is free to download, with no in-app purchases.

### Is KR PSC ADVISER free?

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

### Do ClassNK Onboard Image Logger or KR PSC ADVISER have ads?

Neither ClassNK Onboard Image Logger nor KR PSC ADVISER shows ads.

### Which is updated more often, ClassNK Onboard Image Logger or KR PSC ADVISER?

ClassNK Onboard Image Logger ships an update every 9 months, and KR PSC ADVISER every 3 months. Most recently, ClassNK Onboard Image Logger was updated on November 7, 2026 and KR PSC ADVISER on November 7, 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.*