# 마이북 vs 공집사

The clearest difference is device support: 마이북 at 3 against 공집사's —. 마이북 also leads on iOS requirement (12.4 vs 17.2). On price 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.

## The numbers

| Metric | 마이북 | 공집사 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 weeks | — |
| Size | 8 MB | 1 MB |
| Requires iOS | **12.4** | 17.2 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [linco](https://appshunter.io/developer/1503435551) | [BaseLabs Corp.](https://appshunter.io/developer/1756474128) |

## What reviewers say

### 마이북

[App page](https://appshunter.io/ios/app/mibook/id1666480995)

**Features:** macOS Compatibility

**In-app purchases:** none


### 공집사

[App page](https://appshunter.io/ios/app/id6670152541)

**In-app purchases:** none


## Frequently asked questions

### Is 마이북 free?

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

### Is 공집사 free?

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

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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.*