# 오디언도서관 vs 성북u

The clearest difference is rating: 성북u at 3.0 against 오디언도서관's 1.0. 성북u also leads on update cadence (every 3 weeks vs every 2 months). 오디언도서관's advantage is review sentiment (54% vs 33%) and iOS requirement (12.0 vs 15.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

성북u holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews complicate that: 54% of 오디언도서관's written reviews are positive against 33% of 성북u's, so the app with the better star average is not the one people write more warmly about.

오디언도서관 ships an update every 2 months, 성북u every 3 weeks. The most recent releases landed on September 26, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 오디언도서관 | 성북u |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (5 ratings)](https://appshunter.io/ios/app/id451339970/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/u/id472920010/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | **53.6% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 46 MB | 19 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Audiensori Corp.](https://appshunter.io/developer/881693312) | [(주)이씨오](https://appshunter.io/developer/371073988) |

## What reviewers say

### 오디언도서관

[App page](https://appshunter.io/ios/app/id451339970)

**Features:** Vision Pro support

**In-app purchases:** none


### 성북u

[App page](https://appshunter.io/ios/app/u/id472920010)

This app unifies multiple libraries in the Seongbuk district, offering a single platform to search for and manage library resources. Users can reserve books, check loan status, and access their borrowing history across all integrated branches.

**Highlights:** Integrated library search, Book reservations and cancellations, Loan status and history, Renewal requests, Interlibrary loan applications, User authentication for services

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

**In-app purchases:** none


## Frequently asked questions

### Is 오디언도서관 free?

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

### Is 성북u free?

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

### Which has better reviews, 오디언도서관 or 성북u?

성북u is rated higher. 오디언도서관 averages 1.0 out of 5 from 5 ratings, while 성북u averages 3.0 from 2 ratings.

### Do 오디언도서관 or 성북u have ads?

Neither 오디언도서관 nor 성북u shows ads.

### Which is updated more often, 오디언도서관 or 성북u?

오디언도서관 ships an update every 2 months, and 성북u every 3 weeks. Most recently, 오디언도서관 was updated on September 26, 2026 and 성북u on September 23, 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.*