# POSTECH ID vs 서강대학교 모바일 학생증/이용증

The clearest difference is iOS requirement: POSTECH ID at 13.0 against 서강대학교 모바일 학생증/이용증's 15.6. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 1.0 for POSTECH ID against 1.0 for 서강대학교 모바일 학생증/이용증. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

POSTECH ID ships an update every 5 months, 서강대학교 모바일 학생증/이용증 every 3 months. The most recent releases landed on July 4, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | POSTECH ID | 서강대학교 모바일 학생증/이용증 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/postech-id/id1199401875/reviews) | [1.0 (2 ratings)](https://appshunter.io/ios/app/id1224508693/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 8.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 5 MB | 7 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Pohang University of Science & Technology](https://appshunter.io/developer/1198977124) | [Sogang University](https://appshunter.io/developer/434568377) |

## What reviewers say

### POSTECH ID

[App page](https://appshunter.io/ios/app/postech-id/id1199401875)

This app provides a mobile student and faculty ID for Pohang University of Science and Technology. It also functions as an access pass for external visitors to enter the library.

**Highlights:** Mobile student ID, Mobile faculty ID, Library access pass, Replaces physical cards

**In-app purchases:** none


### 서강대학교 모바일 학생증/이용증

[App page](https://appshunter.io/ios/app/id1224508693)

This official university app provides students with a mobile ID for campus and library access. It facilitates library services like check-in, book borrowing, and seat reservations, along with study room bookings.

**Highlights:** Official mobile student ID, Library access and authentication, Seat availability check, Study room reservation, Book borrowing and return authentication, Ticket/reservation status check

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

**In-app purchases:** none


## Frequently asked questions

### Is POSTECH ID free?

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

### Is 서강대학교 모바일 학생증/이용증 free?

서강대학교 모바일 학생증/이용증 is free to download, with no in-app purchases.

### Which has better reviews, POSTECH ID or 서강대학교 모바일 학생증/이용증?

POSTECH ID and 서강대학교 모바일 학생증/이용증 are both rated 1.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do POSTECH ID or 서강대학교 모바일 학생증/이용증 have ads?

Neither POSTECH ID nor 서강대학교 모바일 학생증/이용증 shows ads.

### Which is updated more often, POSTECH ID or 서강대학교 모바일 학생증/이용증?

POSTECH ID ships an update every 5 months, and 서강대학교 모바일 학생증/이용증 every 3 months. Most recently, POSTECH ID was updated on July 4, 2026 and 서강대학교 모바일 학생증/이용증 on September 9, 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.*