# 영등포구립 도서관 vs 사락

The clearest difference is review sentiment: 사락 at 45% against 영등포구립 도서관's 0%. 사락 also leads on rating (4.0 vs 1.0) and ratings volume (3 vs 1). 영등포구립 도서관's advantage is update cadence (every 4 weeks vs every 2 months) and monetization model (free vs ad-supported). 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.

사락 holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 0% of 영등포구립 도서관's written reviews are positive against 45% of 사락's.

영등포구립 도서관 ships an update every 4 weeks, 사락 every 2 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | 영등포구립 도서관 | 사락 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/id818327738/reviews) | **[4.0 (3 ratings)](https://appshunter.io/ios/app/24/id6447539223/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 0.0% of reviews | **45.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 36 MB | 69 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [jnet co.,ltd](https://appshunter.io/developer/492869401) | [예스24](https://appshunter.io/developer/360051539) |

## What reviewers say

### 영등포구립 도서관

[App page](https://appshunter.io/ios/app/id818327738)

Access the Yeongdeungpo-gu Library's collection with this app. View new arrivals, check your borrowing history, and rent e-books from Yes24.

**Highlights:** View new book arrivals, Check borrowing history, Rent e-books from Yes24, Access library collection

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

**In-app purchases:** none


### 사락

[App page](https://appshunter.io/ios/app/24/id6447539223)

Create a personalized reading journal, connect with fellow book lovers, and discover new titles. Track your reading progress, share reviews, and join or create book clubs. Earn rewards for your engagement.

**Highlights:** Personalized reading journal, Book review sharing, Book club participation and creation, Reading progress tracking, Content recommendations, Photo-based note-taking

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

**In-app purchases:** none


## Frequently asked questions

### Is 영등포구립 도서관 free?

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

### Is 사락 free?

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

### Which has better reviews, 영등포구립 도서관 or 사락?

사락 is rated higher. 영등포구립 도서관 averages 1.0 out of 5 from 1 ratings, while 사락 averages 4.0 from 3 ratings.

### Do 영등포구립 도서관 or 사락 have ads?

Neither 영등포구립 도서관 nor 사락 shows ads.

### Which is updated more often, 영등포구립 도서관 or 사락?

영등포구립 도서관 ships an update every 4 weeks, and 사락 every 2 months. Most recently, 영등포구립 도서관 was updated on October 29, 2026 and 사락 on October 29, 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.*