# 은하서가 vs 책인아웃

The clearest difference is iOS requirement: 책인아웃 at 15.0 against 은하서가's 17.0. On price, update cadence, 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.

은하서가 ships an update fortnightly, 책인아웃 weekly. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 은하서가 | 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 | Fortnightly | **Weekly** |
| Monetization | — | Free |
| Size | 498 MB | 470 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MINGYU KANG](https://appshunter.io/developer/1895678699) | [Hail Moon](https://appshunter.io/developer/6797207684) |

## What reviewers say

### 은하서가

[App page](https://appshunter.io/ios/app/id6764192309)

**Features:** macOS Compatibility, 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 은하서가 free?

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

### Is 책인아웃 free?

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

### Do 은하서가 or 책인아웃 have ads?

Neither 은하서가 nor 책인아웃 shows ads.

### Which is updated more often, 은하서가 or 책인아웃?

은하서가 ships an update fortnightly, and 책인아웃 weekly. Most recently, 은하서가 was updated on October 31, 2026 and 책인아웃 on November 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*