# 전국 도서관 전자책 vs 사보 원자력연료

The clearest difference is update cadence: 전국 도서관 전자책 at monthly against 사보 원자력연료's every 16 months. 사보 원자력연료's advantage is iOS requirement (12.0 vs 15.6). 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.

전국 도서관 전자책 ships an update monthly, 사보 원자력연료 every 16 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 전국 도서관 전자책 | 사보 원자력연료 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (22 ratings)](https://appshunter.io/ios/app/id371073985/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 28.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 16 months |
| Monetization | Free | — |
| Size | 82 MB | 16 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)이씨오](https://appshunter.io/developer/371073988) | [soluwin corporation](https://appshunter.io/developer/747540016) |

## What reviewers say

### 전국 도서관 전자책

[App page](https://appshunter.io/ios/app/id371073985)

Access a vast collection of free e-books from public and university libraries across the country. Check library seat availability, manage your loans, and discover nearby libraries. Features include mobile library cards and book reservation.

**Highlights:** Free e-book borrowing, Real-time seat availability, Book search and reservation, Loan status and extension, Mobile library card, Nearby library search, Manage wish list

**Features:** Vision Pro support

**In-app purchases:** none


### 사보 원자력연료

[App page](https://appshunter.io/ios/app/id1550920161)

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

**In-app purchases:** none


## Frequently asked questions

### Is 전국 도서관 전자책 free?

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

### Is 사보 원자력연료 free?

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

### Do 전국 도서관 전자책 or 사보 원자력연료 have ads?

Neither 전국 도서관 전자책 nor 사보 원자력연료 shows ads.

### Which is updated more often, 전국 도서관 전자책 or 사보 원자력연료?

전국 도서관 전자책 ships an update monthly, and 사보 원자력연료 every 16 months. Most recently, 전국 도서관 전자책 was updated on November 6, 2026 and 사보 원자력연료 on November 3, 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.*