# 서울시립대 모바일 ID vs 붐클래스(boom class)

The clearest difference is update cadence: 서울시립대 모바일 ID at every 4 months against 붐클래스(boom class)'s every 20 months. 서울시립대 모바일 ID also leads on iOS requirement (13.0 vs 15.5). 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.

서울시립대 모바일 ID ships an update every 4 months, 붐클래스(boom class) every 20 months. The most recent releases landed on September 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 서울시립대 모바일 ID | 붐클래스(boom class) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/id/id1171329284/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 20 months |
| Monetization | Free | — |
| Size | 6 MB | 91 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LOTECS CO.LTD](https://appshunter.io/developer/1695677197) | [I Waz Co.,Ltd](https://appshunter.io/developer/1629816087) |

## What reviewers say

### 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


### 붐클래스(boom class)

[App page](https://appshunter.io/ios/app/boom-class/id1629816085)

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

**In-app purchases:** none


## Frequently asked questions

### Is 서울시립대 모바일 ID free?

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

### Is 붐클래스(boom class) free?

붐클래스(boom class) is free to download, with no in-app purchases.

### Do 서울시립대 모바일 ID or 붐클래스(boom class) have ads?

Neither 서울시립대 모바일 ID nor 붐클래스(boom class) shows ads.

### Which is updated more often, 서울시립대 모바일 ID or 붐클래스(boom class)?

서울시립대 모바일 ID ships an update every 4 months, and 붐클래스(boom class) every 20 months. Most recently, 서울시립대 모바일 ID was updated on September 21, 2026 and 붐클래스(boom class) on October 1, 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.*