# IGC Library vs 북카이브

The clearest difference is update cadence: 북카이브 at every 5 days against IGC Library's every 6 weeks. IGC Library's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.6). On price, 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.

IGC Library ships an update every 6 weeks, 북카이브 every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | IGC Library | 북카이브 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Size | 3 MB | 79 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [(주)퓨쳐누리](https://appshunter.io/developer/777428691) | [Lightsoft](https://appshunter.io/developer/1517333240) |

## What reviewers say

### IGC Library

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

**Features:** Vision Pro support

**In-app purchases:** none


### 북카이브

[App page](https://appshunter.io/ios/app/id6742368090)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IGC Library free?

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

### Is 북카이브 free?

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

### Do IGC Library or 북카이브 have ads?

Neither IGC Library nor 북카이브 shows ads.

### Which is updated more often, IGC Library or 북카이브?

IGC Library ships an update every 6 weeks, and 북카이브 every 5 days. Most recently, IGC Library was updated on October 25, 2026 and 북카이브 on October 28, 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.*