# uLock@HKU vs LabXRA

The clearest difference is update cadence: uLock@HKU at fortnightly against LabXRA's every 5 weeks. uLock@HKU also leads on iOS requirement (11.0 vs 13.0). 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.

uLock@HKU ships an update fortnightly, LabXRA every 5 weeks. Both last shipped on October 14, 2026.

## The numbers

| Metric | uLock@HKU | LabXRA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Size | 20 MB | 42 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The University of Hong Kong](https://appshunter.io/developer/451384643) | [The Hong Kong Polytechnic University](https://appshunter.io/developer/442903588) |

## What reviewers say

### uLock@HKU

[App page](https://appshunter.io/ios/app/ulockhku/id1477451541)

**In-app purchases:** none


### LabXRA

[App page](https://appshunter.io/ios/app/labxra/id1627412971)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is uLock@HKU free?

uLock@HKU is free to download, with no in-app purchases.

### Is LabXRA free?

LabXRA is free to download, with no in-app purchases.

### Do uLock@HKU or LabXRA have ads?

Neither uLock@HKU nor LabXRA shows ads.

### Which is updated more often, uLock@HKU or LabXRA?

uLock@HKU ships an update fortnightly, and LabXRA every 5 weeks. Most recently, uLock@HKU was updated on October 14, 2026 and LabXRA on October 14, 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.*