# 미친스킨 vs 책력

The clearest difference is update cadence: 책력 at every 3 months against 미친스킨's every 8 months. 미친스킨's advantage is iOS requirement (10.0 vs 15.1). 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.

미친스킨 ships an update every 8 months, 책력 every 3 months. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 미친스킨 | 책력 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Size | 21 MB | 32 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CRAZYSKIN Co.,Ltd](https://appshunter.io/developer/1507276913) | [jeongrim oh](https://appshunter.io/developer/1893507432) |

## What reviewers say

### 미친스킨

[App page](https://appshunter.io/ios/app/crazyskin/id1271297006)

**Features:** macOS Compatibility

**In-app purchases:** none


### 책력

[App page](https://appshunter.io/ios/app/id6762242539)

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

**In-app purchases:** none


## Frequently asked questions

### Is 미친스킨 free?

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

### Is 책력 free?

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

### Do 미친스킨 or 책력 have ads?

Neither 미친스킨 nor 책력 shows ads.

### Which is updated more often, 미친스킨 or 책력?

미친스킨 ships an update every 8 months, and 책력 every 3 months. Most recently, 미친스킨 was updated on October 7, 2026 and 책력 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.*