# KR Directory vs Aderco Marine

The clearest difference is update cadence: Aderco Marine at every 3 weeks against KR Directory's every 8 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.

KR Directory ships an update every 8 months, Aderco Marine every 3 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | KR Directory | Aderco Marine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Size | 24 MB | 60 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Korean Register](https://appshunter.io/developer/600805564) | [Aderco S.A.](https://appshunter.io/developer/1605797984) |

## What reviewers say

### KR Directory

[App page](https://appshunter.io/ios/app/kr-directory/id1544688577)

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

**In-app purchases:** none


### Aderco Marine

[App page](https://appshunter.io/ios/app/aderco-marine/id1605797982)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KR Directory free?

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

### Is Aderco Marine free?

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

### Do KR Directory or Aderco Marine have ads?

Neither KR Directory nor Aderco Marine shows ads.

### Which is updated more often, KR Directory or Aderco Marine?

KR Directory ships an update every 8 months, and Aderco Marine every 3 weeks. Most recently, KR Directory was updated on October 29, 2026 and Aderco Marine on October 30, 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.*