# IGC Library vs 책인아웃

The clearest difference is update cadence: 책인아웃 at weekly against IGC Library's every 6 weeks. IGC Library's advantage is iOS requirement (11.0 vs 15.0). 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, 책인아웃 weekly. Both last shipped on November 6, 2026.

## The numbers

| Metric | IGC Library | 책인아웃 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id6797207682/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 95.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 3 MB | 470 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)퓨쳐누리](https://appshunter.io/developer/777428691) | [Hail Moon](https://appshunter.io/developer/6797207684) |

## What reviewers say

### IGC Library

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

**Features:** Vision Pro support

**In-app purchases:** none


### 책인아웃

[App page](https://appshunter.io/ios/app/id6797207682)

This app helps you track your reading, build a virtual bookshelf, and connect with a community of book lovers. Create personalized reading logs, set goals, and discover new books based on your preferences.

**Highlights:** Virtual bookshelf with reading status, Reading progress tracking and notes, Customizable reading goal setting, Book community forums and interaction, Personalized book recommendations, Import reading data via CSV

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

**In-app purchases:** none


## Frequently asked questions

### Is IGC Library free?

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

### Is 책인아웃 free?

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

### Do IGC Library or 책인아웃 have ads?

Neither IGC Library nor 책인아웃 shows ads.

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

IGC Library ships an update every 6 weeks, and 책인아웃 weekly. Most recently, IGC Library was updated on November 6, 2026 and 책인아웃 on November 6, 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.*