# POSTECH ID vs Swift 문법 마스터

The clearest difference is price: POSTECH ID at Free against Swift 문법 마스터's $5.99. POSTECH ID also leads on iOS requirement (13.0 vs 16.6). Swift 문법 마스터's advantage is update cadence (every 5 days vs every 5 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

POSTECH ID is free to download; Swift 문법 마스터 costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

POSTECH ID ships an update every 5 months, Swift 문법 마스터 every 5 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | POSTECH ID | Swift 문법 마스터 |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/postech-id/id1199401875/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 5 MB | 1 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pohang University of Science & Technology](https://appshunter.io/developer/1198977124) | [SANGGU JANG](https://appshunter.io/developer/1688346162) |

## 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


### Swift 문법 마스터

[App page](https://appshunter.io/ios/app/swift/id6745999504)

Master Swift programming through hands-on typing exercises. This app offers 180 problems covering fundamental grammar to advanced topics like memory structure and asynchronous processing, helping you internalize the language.

**Highlights:** 180 Swift grammar problems, Typing practice for internalization, Covers basic to advanced Swift, Suitable for beginners and experienced developers, Structured problem units for understanding, Daily practice recommendations

**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 Swift 문법 마스터 free?

Swift 문법 마스터 costs $5.99, with no in-app purchases.

### Do POSTECH ID or Swift 문법 마스터 have ads?

Neither POSTECH ID nor Swift 문법 마스터 shows ads.

### Which is updated more often, POSTECH ID or Swift 문법 마스터?

POSTECH ID ships an update every 5 months, and Swift 문법 마스터 every 5 days. Most recently, POSTECH ID was updated on October 29, 2026 and Swift 문법 마스터 on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*