# pH Lab vs ChemLab AI

The clearest difference is in-app purchases: ChemLab AI at none against pH Lab's 1. ChemLab AI also leads on ads (none vs shown) and iOS requirement (17.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. pH Lab sells 1 one-off in-app purchase. ChemLab AI asks for nothing beyond the download.

## The numbers

| Metric | pH Lab | ChemLab AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Size | 14 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) | [阳 郑](https://appshunter.io/developer/1892221543) |

## What reviewers say

### 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 |


### ChemLab AI

[App page](https://appshunter.io/ios/app/chemlab-ai/id6764132132)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is pH Lab free?

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

### Is ChemLab AI free?

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

### Do pH Lab or ChemLab AI have ads?

pH Lab shows ads; ChemLab AI does not.

---

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