# Css Knust Smart App vs ChemLab

The clearest difference is device support: ChemLab at 3 against Css Knust Smart App's —. On price, in-app purchases and iOS requirement 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 | Css Knust Smart App | ChemLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | — | Every 5 days |
| Size | 36 MB | 100 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Smart Hive Labs](https://appshunter.io/developer/1815756519) | [Abhishek Chauhan](https://appshunter.io/developer/1886624177) |

## What reviewers say

### Css Knust Smart App

[App page](https://appshunter.io/ios/app/css-knust-smart-app/id6756230116)

**In-app purchases:** none


### ChemLab

[App page](https://appshunter.io/ios/app/chemlab-chemistry-simulator/id6770002282)

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

**In-app purchases:** none


## Frequently asked questions

### Is Css Knust Smart App free?

Css Knust Smart App is free to download, with no in-app purchases.

### Is ChemLab free?

ChemLab 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.*