# AR Projection Simulator vs HKPAX

The clearest difference is update cadence: HKPAX at every 3 days against AR Projection Simulator's every 2 months. AR Projection Simulator's advantage is iOS requirement (16.6 vs 18.0). 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.

AR Projection Simulator ships an update every 2 months, HKPAX every 3 days. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | AR Projection Simulator | HKPAX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 228 MB | 150 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FUJIFILM Corporation](https://appshunter.io/developer/412362805) | [Hong Kong Arts Development Council](https://appshunter.io/developer/1685810326) |

## What reviewers say

### AR Projection Simulator

[App page](https://appshunter.io/ios/app/ar-projection-simulator/id6451183036)

**In-app purchases:** none


### HKPAX

[App page](https://appshunter.io/ios/app/hkpax/id6809730816)

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

**In-app purchases:** none


## Frequently asked questions

### Is AR Projection Simulator free?

AR Projection Simulator is free to download, with no in-app purchases.

### Is HKPAX free?

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

### Do AR Projection Simulator or HKPAX have ads?

Neither AR Projection Simulator nor HKPAX shows ads.

### Which is updated more often, AR Projection Simulator or HKPAX?

AR Projection Simulator ships an update every 2 months, and HKPAX every 3 days. Most recently, AR Projection Simulator was updated on November 4, 2026 and HKPAX on November 6, 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.*