# pH Lab vs Lab+

The clearest difference is in-app purchases: Lab+ at none against pH Lab's 1. Lab+ also leads on ads (none vs shown) and iOS requirement (18.6 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. Lab+ asks for nothing beyond the download.

## The numbers

| Metric | pH Lab | Lab+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Size | 14 MB | 4 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) | [Relja Bulajic](https://appshunter.io/developer/1801518678) |

## 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 |


### Lab+

[App page](https://appshunter.io/ios/app/lab-plus-experiment-review/id6762313332)

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

**In-app purchases:** none


## Frequently asked questions

### Is pH Lab free?

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

### Is Lab+ free?

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

### Do pH Lab or Lab+ have ads?

pH Lab shows ads; Lab+ 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.*