# GeoFormulas by ChatStick vs SectionLab

The clearest difference is in-app purchases: SectionLab at none against GeoFormulas by ChatStick's 1. SectionLab also leads on iOS requirement (16.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. GeoFormulas by ChatStick sells 1 one-off in-app purchase. SectionLab asks for nothing beyond the download.

## The numbers

| Metric | GeoFormulas by ChatStick | SectionLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | — |
| Size | 8 MB | 6 MB |
| Requires iOS | 18.4 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) | [大臻 黄](https://appshunter.io/developer/1805041784) |

## What reviewers say

### GeoFormulas by ChatStick

[App page](https://appshunter.io/ios/app/geoformulas-by-chatstick/id6751835608)

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

**In-app purchases (1)**

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


### SectionLab

[App page](https://appshunter.io/ios/app/sectionlab-3d-geometry-lab/id6773945561)

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

**In-app purchases:** none


## Frequently asked questions

### Is GeoFormulas by ChatStick free?

GeoFormulas by ChatStick is free to download, with in-app purchases available.

### Is SectionLab free?

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

### Do GeoFormulas by ChatStick or SectionLab have ads?

Both GeoFormulas by ChatStick and SectionLab show ads.

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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.*