# 북카페인 vs 다음에 뭐 읽지?

The clearest difference is ads: 북카페인 at none against 다음에 뭐 읽지?'s shown. 북카페인 also leads on iOS requirement (13.0 vs 17.0). 다음에 뭐 읽지?'s advantage is update cadence (every 4 days vs every 5 months). On in-app purchases and device support there is nothing between them.

북카페인 ships an update every 5 months, 다음에 뭐 읽지? every 4 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 북카페인 | 다음에 뭐 읽지? |
| --- | --- | --- |
| Price | **Free** | — |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6761740717/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 119 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JINSEONG MOK](https://appshunter.io/developer/1796096337) | [Giup Jang](https://appshunter.io/developer/1891216999) |

## What reviewers say

### 북카페인

[App page](https://appshunter.io/ios/app/bookcaffeine/id6741890339)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 북카페인 free?

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

### Is 다음에 뭐 읽지? free?

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

### Do 북카페인 or 다음에 뭐 읽지? have ads?

다음에 뭐 읽지? shows ads; 북카페인 does not.

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

북카페인 ships an update every 5 months, and 다음에 뭐 읽지? every 4 days. Most recently, 북카페인 was updated on October 5, 2026 and 다음에 뭐 읽지? on October 2, 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.*