# 희소당 vs SIZEUP 사이즈업

The clearest difference is update cadence: SIZEUP 사이즈업 at every 2 months against 희소당's every 10 months. 희소당's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, 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.

희소당 ships an update every 10 months, SIZEUP 사이즈업 every 2 months. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 희소당 | SIZEUP 사이즈업 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Size | 21 MB | 75 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [MATSUTANI KOREA LTD.](https://appshunter.io/developer/1586072939) | [Hyun Seok Kim](https://appshunter.io/developer/1657957306) |

## What reviewers say

### 희소당

[App page](https://appshunter.io/ios/app/id1586072937)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIZEUP 사이즈업

[App page](https://appshunter.io/ios/app/sizeup/id6444922350)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 희소당 free?

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

### Is SIZEUP 사이즈업 free?

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

### Do 희소당 or SIZEUP 사이즈업 have ads?

Neither 희소당 nor SIZEUP 사이즈업 shows ads.

### Which is updated more often, 희소당 or SIZEUP 사이즈업?

희소당 ships an update every 10 months, and SIZEUP 사이즈업 every 2 months. Most recently, 희소당 was updated on October 25, 2026 and SIZEUP 사이즈업 on October 20, 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.*