# HKUST QR Code vs AskSia

The clearest difference is review sentiment: AskSia at 83% against HKUST QR Code's 0%. AskSia also leads on update cadence (weekly vs every 2 months). HKUST QR Code's advantage is in-app purchases (none vs 7). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AskSia sells 7 in-app purchases, starting at $5.99 per 7 days. HKUST QR Code asks for nothing beyond the download.

HKUST QR Code ships an update every 2 months, AskSia weekly. The most recent releases landed on October 22, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HKUST QR Code | AskSia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (67 ratings)](https://appshunter.io/ios/app/asksia-ai-tutor-and-notes-study/id6746232496/reviews)** |
| Number of ratings | — | **67** |
| Positive reviews | 0.0% of reviews | **83.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 61 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [The Hong Kong University of Science and Technology](https://appshunter.io/developer/332536363) | [ASKSIA INC](https://appshunter.io/developer/1815883382) |

## 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


### AskSia

[App page](https://appshunter.io/ios/app/asksia-ai-tutor-and-notes-study/id6746232496)

This AI-powered study tool helps students upload readings, transcribe lectures, ask questions, and organize notes. It offers a free tier with limited features and multiple premium subscription plans for enhanced capabilities and unlimited processing.

**Highlights:** Upload readings and documents, Transcribe lecture audio, Ask AI questions about content, Organize notes, Unlimited AI assistance (premium), Document processing (premium)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AskSia - A+ | $5.99 | per 7 days |
| AskSia - Plus | $14.99 | per month |
| AskSia - Super | $17.99 | per month |
| AskSia - A+ | $29.99 | per month |
| AskSia - Plus | $99.99 | per year |
| AskSia - Super | $143.99 | per year |
| AskSia - A+ | $155.99 | per year |


## Frequently asked questions

### Is HKUST QR Code free?

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

### Is AskSia free?

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

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

Neither HKUST QR Code nor AskSia shows ads.

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

HKUST QR Code ships an update every 2 months, and AskSia weekly. Most recently, HKUST QR Code was updated on October 22, 2026 and AskSia on October 30, 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.*