# ViSymulation Pro vs PolyU Halls

The clearest difference is update cadence: ViSymulation Pro at every 3 weeks against PolyU Halls's every 5 months. ViSymulation Pro also leads on iOS requirement (13.0 vs 15.6). 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.

ViSymulation Pro ships an update every 3 weeks, PolyU Halls every 5 months. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ViSymulation Pro | PolyU Halls |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 240 MB | 14 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [HKU TELI](https://appshunter.io/developer/1153931100) | [The Hong Kong Polytechnic University](https://appshunter.io/developer/442903588) |

## What reviewers say

### ViSymulation Pro

[App page](https://appshunter.io/ios/app/visymulation-pro/id6477567943)

**Features:** macOS Compatibility

**In-app purchases:** none


### PolyU Halls

[App page](https://appshunter.io/ios/app/polyu-halls/id6503722401)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ViSymulation Pro free?

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

### Is PolyU Halls free?

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

### Do ViSymulation Pro or PolyU Halls have ads?

Neither ViSymulation Pro nor PolyU Halls shows ads.

### Which is updated more often, ViSymulation Pro or PolyU Halls?

ViSymulation Pro ships an update every 3 weeks, and PolyU Halls every 5 months. Most recently, ViSymulation Pro was updated on September 13, 2026 and PolyU Halls on September 21, 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.*