# HKUST QR Code vs GradeReach

The clearest difference is in-app purchases: HKUST QR Code at none against GradeReach's 1. HKUST QR Code also leads on iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. GradeReach sells 1 one-off in-app purchase. HKUST QR Code asks for nothing beyond the download.

## The numbers

| Metric | HKUST QR Code | GradeReach |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 18 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [The Hong Kong University of Science and Technology](https://appshunter.io/developer/332536363) | [祖超 夏](https://appshunter.io/developer/979438836) |

## What reviewers say

### 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


### GradeReach

[App page](https://appshunter.io/ios/app/gradereach/id6810251017)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 够线 完整版 | $3.99 | one-time |


## Frequently asked questions

### Is HKUST QR Code free?

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

### Is GradeReach free?

GradeReach is free to download, with in-app purchases available.

### Do HKUST QR Code or GradeReach have ads?

Neither HKUST QR Code nor GradeReach shows ads.

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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.*