# Model ChemLab for iPad vs pH Lab

The clearest difference is price: pH Lab at Free against Model ChemLab for iPad's $33.99. Model ChemLab for iPad's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

pH Lab is free to download; Model ChemLab for iPad costs $33.99 up front. pH Lab sells 1 one-off in-app purchase. Model ChemLab for iPad asks for nothing beyond the download.

## The numbers

| Metric | Model ChemLab for iPad | pH Lab |
| --- | --- | --- |
| Price | $33.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | — |
| Size | 19 MB | 14 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Model Science Software Inc.](https://appshunter.io/developer/1505551537) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Model ChemLab for iPad

[App page](https://appshunter.io/ios/app/model-chemlab-for-ipad/id1556078955)

**Features:** macOS Compatibility

**In-app purchases:** none


### pH Lab

[App page](https://appshunter.io/ios/app/ph-lab-chemistry-simulator/id6760988065)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is Model ChemLab for iPad free?

Model ChemLab for iPad costs $33.99, with no in-app purchases.

### Is pH Lab free?

pH Lab is free to download, with in-app purchases available.

### Do Model ChemLab for iPad or pH Lab have ads?

pH Lab shows ads; Model ChemLab for iPad does not.

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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.*