# 다음에 뭐 읽지? vs 책수증

The clearest difference is ads: 책수증 at none against 다음에 뭐 읽지?'s shown. 다음에 뭐 읽지?'s advantage is update cadence (every 4 days vs every 2 weeks). On review sentiment, in-app purchases, device support and iOS requirement there is nothing between them.

다음에 뭐 읽지? ships an update every 4 days, 책수증 every 2 weeks. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 다음에 뭐 읽지? | 책수증 |
| --- | --- | --- |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6761740717/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 6 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Giup Jang](https://appshunter.io/developer/1891216999) | [YUJIN JEON](https://appshunter.io/developer/1849678227) |

## What reviewers say

### 다음에 뭐 읽지?

[App page](https://appshunter.io/ios/app/ai/id6761740717)

This app uses AI to analyze your reading history and preferences to recommend your next book. Build your digital library, rate books, and discover new titles tailored to your taste.

**Highlights:** AI personalized book recommendations, AI automatic genre recommendations, Personal digital library, Rate books (like/dislike), Save and manage recommended books

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

**In-app purchases:** none


### 책수증

[App page](https://appshunter.io/ios/app/id6796149484)

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

**In-app purchases:** none


## Frequently asked questions

### Is 다음에 뭐 읽지? free?

Pricing for 다음에 뭐 읽지? is not currently listed on the App Store.

### Is 책수증 free?

Pricing for 책수증 is not currently listed on the App Store.

### Do 다음에 뭐 읽지? or 책수증 have ads?

다음에 뭐 읽지? shows ads; 책수증 does not.

### Which is updated more often, 다음에 뭐 읽지? or 책수증?

다음에 뭐 읽지? ships an update every 4 days, and 책수증 every 2 weeks. Most recently, 다음에 뭐 읽지? was updated on October 18, 2026 and 책수증 on October 7, 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.*