# PolyU Staff Mobile App vs HKUST QR Code

The clearest difference is update cadence: HKUST QR Code at every 2 months against PolyU Staff Mobile App's every 7 months. 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.

PolyU Staff Mobile App ships an update every 7 months, HKUST QR Code every 2 months. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PolyU Staff Mobile App | HKUST QR Code |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 25 MB | 18 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Hong Kong Polytechnic University](https://appshunter.io/developer/442903588) | [The Hong Kong University of Science and Technology](https://appshunter.io/developer/332536363) |

## What reviewers say

### PolyU Staff Mobile App

[App page](https://appshunter.io/ios/app/polyu-staff-mobile-app/id1605725684)

**Features:** macOS Compatibility

**In-app purchases:** none


### HKUST QR Code

[App page](https://appshunter.io/ios/app/hkust-qr-code/id6468639032)

This tool allows HKUST members to create secure, dynamic, and personalized QR codes. These codes can be used for access control, such as opening doors with compatible panels.

**Highlights:** Generate secure QR codes, Dynamic and personalized codes, Access control for HKUST members, Smartdoor Panel integration

**In-app purchases:** none


## Frequently asked questions

### Is PolyU Staff Mobile App free?

PolyU Staff Mobile App is free to download, with no in-app purchases.

### Is HKUST QR Code free?

HKUST QR Code is free to download, with no in-app purchases.

### Do PolyU Staff Mobile App or HKUST QR Code have ads?

Neither PolyU Staff Mobile App nor HKUST QR Code shows ads.

### Which is updated more often, PolyU Staff Mobile App or HKUST QR Code?

PolyU Staff Mobile App ships an update every 7 months, and HKUST QR Code every 2 months. Most recently, PolyU Staff Mobile App was updated on September 10, 2026 and HKUST QR Code on September 20, 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.*