# Physics at Work For HKDSE XR vs 化解

The clearest difference is update cadence: Physics at Work For HKDSE XR at every 2 months against 化解's every 8 months. Physics at Work For HKDSE XR also leads on iOS requirement (14.0 vs 16.6). 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.

Physics at Work For HKDSE XR ships an update every 2 months, 化解 every 8 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Physics at Work For HKDSE XR | 化解 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Size | 350 MB | 169 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Oxford University Press (China)](https://appshunter.io/developer/448849899) | [BUDDHIST HO NAM KAM COLLEGE](https://appshunter.io/developer/1532349038) |

## 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


### 化解

[App page](https://appshunter.io/ios/app/id6448817787)

**Features:** 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 化解 free?

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

### Do Physics at Work For HKDSE XR or 化解 have ads?

Neither Physics at Work For HKDSE XR nor 化解 shows ads.

### Which is updated more often, Physics at Work For HKDSE XR or 化解?

Physics at Work For HKDSE XR ships an update every 2 months, and 化解 every 8 months. Most recently, Physics at Work For HKDSE XR was updated on November 3, 2026 and 化解 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.*