# 서울시립대 중앙도서관 좌석관리시스템 vs 서울시립대 모바일 ID

The clearest difference is review sentiment: 서울시립대 모바일 ID at 18% against 서울시립대 중앙도서관 좌석관리시스템's 7%. 서울시립대 모바일 ID also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, 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.

서울시립대 중앙도서관 좌석관리시스템 ships an update every 2 months, 서울시립대 모바일 ID every 4 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | 서울시립대 중앙도서관 좌석관리시스템 | 서울시립대 모바일 ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (2 ratings)](https://appshunter.io/ios/app/id/id1171329284/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 6.7% of reviews | **18.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 11 MB | 6 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [ido-it Co. Ltd.](https://appshunter.io/developer/610142253) | [LOTECS CO.LTD](https://appshunter.io/developer/1695677197) |

## What reviewers say

### 서울시립대 중앙도서관 좌석관리시스템

[App page](https://appshunter.io/ios/app/id1153327021)

This application helps Seoul National University of Science and Technology library users manage their study space. It allows users to check seat availability, reserve study rooms, and view their ticketing, reservation, and waiting status. Users can also return seats and cancel reservations remotely.

**Highlights:** Check library seat availability, View seat layout and status maps, Reserve study rooms, Check reservation status, View ticketing and waiting information, Return seats remotely, Cancel reservations remotely

**Features:** macOS Compatibility

**In-app purchases:** none


### 서울시립대 모바일 ID

[App page](https://appshunter.io/ios/app/id/id1171329284)

This application serves as a mobile identification card for Seoul National University of Science and Technology. It allows users to utilize a QR code for access within the university and related institutions, functioning as a student or identification card. Login is seamless using existing academic system credentials.

**Highlights:** Mobile student ID, QR code authentication, Academic system login, ID card issuance, Settings menu

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

**In-app purchases:** none


## Frequently asked questions

### Is 서울시립대 중앙도서관 좌석관리시스템 free?

서울시립대 중앙도서관 좌석관리시스템 is free to download, with no in-app purchases.

### Is 서울시립대 모바일 ID free?

서울시립대 모바일 ID is free to download, with no in-app purchases.

### Do 서울시립대 중앙도서관 좌석관리시스템 or 서울시립대 모바일 ID have ads?

Neither 서울시립대 중앙도서관 좌석관리시스템 nor 서울시립대 모바일 ID shows ads.

### Which is updated more often, 서울시립대 중앙도서관 좌석관리시스템 or 서울시립대 모바일 ID?

서울시립대 중앙도서관 좌석관리시스템 ships an update every 2 months, and 서울시립대 모바일 ID every 4 months. Most recently, 서울시립대 중앙도서관 좌석관리시스템 was updated on November 2, 2026 and 서울시립대 모바일 ID on November 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.*