# 서교동언니집 vs 공책

The clearest difference is update cadence: 공책 at every 10 days against 서교동언니집's every 14 months. 서교동언니집's advantage is iOS requirement (13.0 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.

서교동언니집 ships an update every 14 months, 공책 every 10 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 서교동언니집 | 공책 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 10 days** |
| Size | 18 MB | 79 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [HyeSook Park](https://appshunter.io/developer/1483955770) | [SAHWI KIM](https://appshunter.io/developer/1806627483) |

## What reviewers say

### 서교동언니집

[App page](https://appshunter.io/ios/app/id1284013368)

**Features:** macOS Compatibility

**In-app purchases:** none


### 공책

[App page](https://appshunter.io/ios/app/ai/id6759238144)

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

**In-app purchases:** none


## Frequently asked questions

### Is 서교동언니집 free?

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

### Is 공책 free?

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

### Do 서교동언니집 or 공책 have ads?

Neither 서교동언니집 nor 공책 shows ads.

### Which is updated more often, 서교동언니집 or 공책?

서교동언니집 ships an update every 14 months, and 공책 every 10 days. Most recently, 서교동언니집 was updated on October 26, 2026 and 공책 on October 24, 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.*