# UNIST Mobile Attendance System vs POSTECH ID

The clearest difference is rating: POSTECH ID at 3.0 against UNIST Mobile Attendance System's 1.0. POSTECH ID also leads on iOS requirement (13.0 vs 15.0). UNIST Mobile Attendance System's advantage is update cadence (every 6 weeks vs every 5 months). 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.

POSTECH ID holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UNIST Mobile Attendance System ships an update every 6 weeks, POSTECH ID every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | UNIST Mobile Attendance System | POSTECH ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/unist-mobile-attendance-system/id1085405758/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/postech-id/id1199401875/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 4 MB | 5 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ulsan National Institute of Science and Technology](https://appshunter.io/developer/964810930) | [Pohang University of Science & Technology](https://appshunter.io/developer/1198977124) |

## What reviewers say

### UNIST Mobile Attendance System

[App page](https://appshunter.io/ios/app/unist-mobile-attendance-system/id1085405758)

This mobile application facilitates electronic attendance tracking for students and faculty within the institution. Students can record their attendance for lectures based on their schedules, while professors can manage attendance records and interact with students through features like Q&A and real-time quizzes.

**Highlights:** Mobile electronic attendance for students, Attendance management for professors, Lecture schedule viewing, System announcements, In-class Q&A functionality, Real-time quiz feature

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is UNIST Mobile Attendance System free?

UNIST Mobile Attendance System is free to download, with no in-app purchases.

### Is POSTECH ID free?

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

### Which has better reviews, UNIST Mobile Attendance System or POSTECH ID?

POSTECH ID is rated higher. UNIST Mobile Attendance System averages 1.0 out of 5 from 1 ratings, while POSTECH ID averages 3.0 from 2 ratings.

### Do UNIST Mobile Attendance System or POSTECH ID have ads?

Neither UNIST Mobile Attendance System nor POSTECH ID shows ads.

### Which is updated more often, UNIST Mobile Attendance System or POSTECH ID?

UNIST Mobile Attendance System ships an update every 6 weeks, and POSTECH ID every 5 months. Most recently, UNIST Mobile Attendance System was updated on October 24, 2026 and POSTECH ID on October 24, 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.*