# DU vs CHANGEOK

The clearest difference is update cadence: CHANGEOK at daily against DU's monthly. DU's advantage is iOS requirement (14.1 vs 16.0). 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.

DU ships an update monthly, CHANGEOK daily. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | DU | CHANGEOK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/du/id1581919728/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 74 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Shinsegae International Co., Ltd.](https://appshunter.io/developer/357485835) | [주식회사 창억](https://appshunter.io/developer/6817209902) |

## What reviewers say

### DU

[App page](https://appshunter.io/ios/app/du/id1581919728)

This app is integrating with S.I.VILLAGE to provide enhanced services. We express our deep gratitude to our customers for their continued support.

**Highlights:** Service integration with S.I.VILLAGE, Enhanced customer services, Gratitude to customers

**Features:** macOS Compatibility

**In-app purchases:** none


### CHANGEOK

[App page](https://appshunter.io/ios/app/changeok/id6817209900)

**In-app purchases:** none


## Frequently asked questions

### Is DU free?

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

### Is CHANGEOK free?

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

### Do DU or CHANGEOK have ads?

Neither DU nor CHANGEOK shows ads.

### Which is updated more often, DU or CHANGEOK?

DU ships an update monthly, and CHANGEOK daily. Most recently, DU was updated on October 12, 2026 and CHANGEOK on October 13, 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.*