# sbkorea vs CHAMUNIFORM

The clearest difference is ads: CHAMUNIFORM at none against sbkorea's shown. CHAMUNIFORM also leads on update cadence (every 4 weeks vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

sbkorea ships an update every 8 months, CHAMUNIFORM every 4 weeks. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | sbkorea | CHAMUNIFORM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 4 weeks** |
| Size | 79 MB | 71 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sungyong hwang](https://appshunter.io/developer/1545867288) | [주식회사 에스더블유컴퍼니](https://appshunter.io/developer/1784359168) |

## What reviewers say

### sbkorea

[App page](https://appshunter.io/ios/app/sbkorea/id1545867286)

**Features:** macOS Compatibility

**In-app purchases:** none


### CHAMUNIFORM

[App page](https://appshunter.io/ios/app/chamuniform/id6739231083)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is sbkorea free?

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

### Is CHAMUNIFORM free?

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

### Do sbkorea or CHAMUNIFORM have ads?

sbkorea shows ads; CHAMUNIFORM does not.

### Which is updated more often, sbkorea or CHAMUNIFORM?

sbkorea ships an update every 8 months, and CHAMUNIFORM every 4 weeks. Most recently, sbkorea was updated on October 7, 2026 and CHAMUNIFORM on October 3, 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.*