# Physics at Work For HKDSE XR vs 香港海關投考攻略 CustomsReady

The clearest difference is price: Physics at Work For HKDSE XR at Free against 香港海關投考攻略 CustomsReady's $11.99. Physics at Work For HKDSE XR also leads on iOS requirement (14.0 vs 26.5). 香港海關投考攻略 CustomsReady's advantage is update cadence (every 3 days vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

Physics at Work For HKDSE XR is free to download; 香港海關投考攻略 CustomsReady costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Physics at Work For HKDSE XR ships an update every 2 months, 香港海關投考攻略 CustomsReady every 3 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Physics at Work For HKDSE XR | 香港海關投考攻略 CustomsReady |
| --- | --- | --- |
| Price | **Free** | $11.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 350 MB | 20 MB |
| Requires iOS | **14.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oxford University Press (China)](https://appshunter.io/developer/448849899) | [SUET MUI NG](https://appshunter.io/developer/1875673704) |

## What reviewers say

### Physics at Work For HKDSE XR

[App page](https://appshunter.io/ios/app/physics-at-work-for-hkdse-xr/id1659361572)

**Features:** macOS Compatibility

**In-app purchases:** none


### 香港海關投考攻略 CustomsReady

[App page](https://appshunter.io/ios/app/customsready/id6790482210)

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

**In-app purchases:** none


## Frequently asked questions

### Is Physics at Work For HKDSE XR free?

Physics at Work For HKDSE XR is free to download, with no in-app purchases.

### Is 香港海關投考攻略 CustomsReady free?

香港海關投考攻略 CustomsReady costs $11.99, with no in-app purchases.

### Do Physics at Work For HKDSE XR or 香港海關投考攻略 CustomsReady have ads?

Neither Physics at Work For HKDSE XR nor 香港海關投考攻略 CustomsReady shows ads.

### Which is updated more often, Physics at Work For HKDSE XR or 香港海關投考攻略 CustomsReady?

Physics at Work For HKDSE XR ships an update every 2 months, and 香港海關投考攻略 CustomsReady every 3 days. Most recently, Physics at Work For HKDSE XR was updated on November 3, 2026 and 香港海關投考攻略 CustomsReady on October 25, 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.*