# HKGeology vs CUHK+

The clearest difference is device support: HKGeology at 2 against CUHK+'s —. CUHK+'s advantage is iOS requirement (13.0 vs 16.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | HKGeology | CUHK+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 months | — |
| Size | 92 MB | 332 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 17+ |
| Developer | [Civil Engineering and Development Department](https://appshunter.io/developer/610274627) | [The Chinese University of Hong Kong](https://appshunter.io/developer/369070876) |

## What reviewers say

### HKGeology

[App page](https://appshunter.io/ios/app/hkgeology/id610274624)

**Features:** macOS Compatibility

**In-app purchases:** none


### CUHK+

[App page](https://appshunter.io/ios/app/cuhk-plus/id6450563258)

**In-app purchases:** none


## Frequently asked questions

### Is HKGeology free?

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

### Is CUHK+ free?

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

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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.*