# POSTECH ID vs KAIST Library

The clearest difference is update cadence: KAIST Library at every 2 months against POSTECH ID's every 5 months. POSTECH ID's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and monetization model 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 ships an update every 5 months, KAIST Library every 2 months. The most recent releases landed on July 4, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | POSTECH ID | KAIST Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/postech-id/id1199401875/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 5 MB | 35 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pohang University of Science & Technology](https://appshunter.io/developer/1198977124) | [Korea Advanced Institute of Science and Technology](https://appshunter.io/developer/421320802) |

## 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


### KAIST Library

[App page](https://appshunter.io/ios/app/kaist-library/id1385896213)

Access library services conveniently from your mobile device. Enjoy fast and easy access to resources anytime, anywhere, extending beyond the physical library.

**Highlights:** Mobile library access, Fast and convenient service, Anytime, anywhere access, Enhanced user experience

**In-app purchases:** none


## Frequently asked questions

### Is POSTECH ID free?

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

### Is KAIST Library free?

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

### Do POSTECH ID or KAIST Library have ads?

Neither POSTECH ID nor KAIST Library shows ads.

### Which is updated more often, POSTECH ID or KAIST Library?

POSTECH ID ships an update every 5 months, and KAIST Library every 2 months. Most recently, POSTECH ID was updated on July 4, 2026 and KAIST Library on August 25, 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.*