# IGC Library vs 책꽂이 5.0

The clearest difference is update cadence: 책꽂이 5.0 at fortnightly against IGC Library's every 6 weeks. IGC Library's advantage is iOS requirement (11.0 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.

IGC Library ships an update every 6 weeks, 책꽂이 5.0 fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IGC Library | 책꽂이 5.0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 3 MB | 32 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)퓨쳐누리](https://appshunter.io/developer/777428691) | [PHOSEBIBTEC Inc.](https://appshunter.io/developer/1525655676) |

## What reviewers say

### IGC Library

[App page](https://appshunter.io/ios/app/igc-library/id1447343646)

**Features:** Vision Pro support

**In-app purchases:** none


### 책꽂이 5.0

[App page](https://appshunter.io/ios/app/50/id1525655284)

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

**In-app purchases:** none


## Frequently asked questions

### Is IGC Library free?

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

### Is 책꽂이 5.0 free?

책꽂이 5.0 is free to download, with no in-app purchases.

### Do IGC Library or 책꽂이 5.0 have ads?

Neither IGC Library nor 책꽂이 5.0 shows ads.

### Which is updated more often, IGC Library or 책꽂이 5.0?

IGC Library ships an update every 6 weeks, and 책꽂이 5.0 fortnightly. Most recently, IGC Library was updated on October 25, 2026 and 책꽂이 5.0 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.*