# HKBU UChat vs HKUST QR Code

The clearest difference is update cadence: HKBU UChat at every 3 weeks against HKUST QR Code's every 2 months. HKBU UChat also leads on iOS requirement (12.0 vs 15.6). 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.

HKBU UChat ships an update every 3 weeks, HKUST QR Code every 2 months. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | HKBU UChat | HKUST QR Code |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 136 MB | 18 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hong Kong Baptist University](https://appshunter.io/developer/427917925) | [The Hong Kong University of Science and Technology](https://appshunter.io/developer/332536363) |

## What reviewers say

### HKBU UChat

[App page](https://appshunter.io/ios/app/hkbu-uchat/id929033449)

**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 HKBU UChat free?

HKBU UChat 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 HKBU UChat or HKUST QR Code have ads?

Neither HKBU UChat nor HKUST QR Code shows ads.

### Which is updated more often, HKBU UChat or HKUST QR Code?

HKBU UChat ships an update every 3 weeks, and HKUST QR Code every 2 months. Most recently, HKBU UChat was updated on September 21, 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.*