# SizeChina vs Inspire@PolyU

The clearest difference is update cadence: Inspire@PolyU at every 2 months against SizeChina's every 60 months. 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.

SizeChina ships an update every 60 months, Inspire@PolyU every 2 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | SizeChina | Inspire@PolyU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 60 months | **Every 2 months** |
| Size | 23 MB | 34 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Apps Resource Centre, Hong Kong Baptist University](https://appshunter.io/developer/1375410542) | [The Hong Kong Polytechnic University](https://appshunter.io/developer/442903588) |

## What reviewers say

### SizeChina

[App page](https://appshunter.io/ios/app/sizechina/id1481186588)

**Features:** macOS Compatibility

**In-app purchases:** none


### Inspire@PolyU

[App page](https://appshunter.io/ios/app/inspirepolyu/id1581047033)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SizeChina free?

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

### Is Inspire@PolyU free?

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

### Do SizeChina or Inspire@PolyU have ads?

Neither SizeChina nor Inspire@PolyU shows ads.

### Which is updated more often, SizeChina or Inspire@PolyU?

SizeChina ships an update every 60 months, and Inspire@PolyU every 2 months. Most recently, SizeChina was updated on October 26, 2026 and Inspire@PolyU on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*