# 잠들 때 들려주는 동화 HD vs Libstack

The clearest difference is in-app purchases: Libstack at none against 잠들 때 들려주는 동화 HD's 10. Libstack also leads on update cadence (every 10 days vs every 6 months). 잠들 때 들려주는 동화 HD's advantage is iOS requirement (9.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 잠들 때 들려주는 동화 HD sells 10 one-off in-app purchases. Libstack asks for nothing beyond the download.

잠들 때 들려주는 동화 HD ships an update every 6 months, Libstack every 10 days. Both last shipped on October 21, 2026.

## The numbers

| Metric | 잠들 때 들려주는 동화 HD | Libstack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/libstack-reading-tracker/id1643321634/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 42 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lisbon Labs](https://appshunter.io/developer/320636134) | [Sounho Chung](https://appshunter.io/developer/1622341881) |

## What reviewers say

### 잠들 때 들려주는 동화 HD

[App page](https://appshunter.io/ios/app/hd/id571323954)

This app fosters parent-child bonding through engaging stories read aloud or by the user. It allows for creative adaptation of narratives and teaches valuable life lessons like justice and friendship, while stimulating children's thinking.

**Highlights:** Narrated stories, Read-along feature, Customizable narratives, Moral education, Cognitive stimulation, Parent-child bonding

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 아기돼지 삼형제 | $0.99 | one-time |
| 잠자는 숲속의 공주 | $0.99 | one-time |
| 사자와 생쥐 | $0.99 | one-time |
| 토끼와 거북이 | $0.99 | one-time |
| 개구리 왕자 | $0.99 | one-time |
| 개와 그림자 | $0.99 | one-time |
| 신데렐라 | $0.99 | one-time |
| 용감한 기사, 그리고 젊어지는 사과와 생명의 물 | $0.99 | one-time |
| 개미와 배짱이 | $0.99 | one-time |
| Buy all books | $2.99 | one-time |


### Libstack

[App page](https://appshunter.io/ios/app/libstack-reading-tracker/id1643321634)

Organize your personal library, track your reading progress, and jot down notes for each book. Share your reading journey with friends and discover what they're reading.

**Highlights:** Customizable shelves, Quick book adding via search or camera, Reading progress logging, Personal book notes, Shareable reading cards, Friend activity and book sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is 잠들 때 들려주는 동화 HD free?

잠들 때 들려주는 동화 HD is free to download, with in-app purchases available.

### Is Libstack free?

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

### Do 잠들 때 들려주는 동화 HD or Libstack have ads?

Neither 잠들 때 들려주는 동화 HD nor Libstack shows ads.

### Which is updated more often, 잠들 때 들려주는 동화 HD or Libstack?

잠들 때 들려주는 동화 HD ships an update every 6 months, and Libstack every 10 days. Most recently, 잠들 때 들려주는 동화 HD was updated on October 21, 2026 and Libstack on October 21, 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.*