# 백색소음 vs 일취월장 사자성어

The clearest difference is iOS requirement: 일취월장 사자성어 at 13.0 against 백색소음's 15.6. On price, update cadence, 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.

백색소음 ships an update monthly, 일취월장 사자성어 every 6 weeks. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 백색소음 | 일취월장 사자성어 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 25 MB | 8 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JUNGDAE BYUN](https://appshunter.io/developer/1661917274) | [MJ Communications](https://appshunter.io/developer/1648252206) |

## What reviewers say

### 백색소음

[App page](https://appshunter.io/ios/app/id1671685536)

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

**In-app purchases:** none


### 일취월장 사자성어

[App page](https://appshunter.io/ios/app/id6444115230)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 백색소음 free?

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

### Is 일취월장 사자성어 free?

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

### Do 백색소음 or 일취월장 사자성어 have ads?

Both 백색소음 and 일취월장 사자성어 show ads.

### Which is updated more often, 백색소음 or 일취월장 사자성어?

백색소음 ships an update monthly, and 일취월장 사자성어 every 6 weeks. Most recently, 백색소음 was updated on September 7, 2026 and 일취월장 사자성어 on September 17, 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.*