# Viaduct vs CUHK Mobile Pass

The clearest difference is device support: CUHK Mobile Pass at 2 against Viaduct's —. Viaduct's advantage is iOS requirement (13.0 vs 15.0). 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 | Viaduct | CUHK Mobile Pass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 5 months |
| Size | 73 MB | 45 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Viaduct IL LTD](https://appshunter.io/developer/1725334652) | [The Chinese University of Hong Kong](https://appshunter.io/developer/369070876) |

## What reviewers say

### Viaduct

[App page](https://appshunter.io/ios/app/viaduct/id6475876919)

**In-app purchases:** none


### CUHK Mobile Pass

[App page](https://appshunter.io/ios/app/cuhk-mobile-pass/id6737880556)

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

**In-app purchases:** none


## Frequently asked questions

### Is Viaduct free?

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

### Is CUHK Mobile Pass free?

CUHK Mobile Pass 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.*