# ChemEye vs HKBUniverse

The clearest difference is update cadence: ChemEye at weekly against HKBUniverse's every 3 months. ChemEye also leads on iOS requirement (10.0 vs 15.0). 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.

ChemEye ships an update weekly, HKBUniverse every 3 months. The most recent releases landed on November 4, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | ChemEye | HKBUniverse |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 24 MB | 1.8 GB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Apps Resource Centre, Hong Kong Baptist University](https://appshunter.io/developer/1375410542) | [Hong Kong Baptist University](https://appshunter.io/developer/427917925) |

## What reviewers say

### ChemEye

[App page](https://appshunter.io/ios/app/chemeye/id1438601657)

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

**In-app purchases:** none


### HKBUniverse

[App page](https://appshunter.io/ios/app/hkbuniverse/id1669663392)

**In-app purchases:** none


## Frequently asked questions

### Is ChemEye free?

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

### Is HKBUniverse free?

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

### Do ChemEye or HKBUniverse have ads?

Neither ChemEye nor HKBUniverse shows ads.

### Which is updated more often, ChemEye or HKBUniverse?

ChemEye ships an update weekly, and HKBUniverse every 3 months. Most recently, ChemEye was updated on November 4, 2026 and HKBUniverse on November 7, 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.*