# Projectile Lab by ChatStick vs SectionLab

The clearest difference is in-app purchases: SectionLab at none against Projectile Lab by ChatStick's 1. SectionLab also leads on iOS requirement (16.0 vs 26.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Projectile Lab by ChatStick | SectionLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Size | 12 MB | 6 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | 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

### Projectile Lab by ChatStick

[App page](https://appshunter.io/ios/app/projectile-lab-by-chatstick/id6761547280)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Projectile Lab Premium | $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 Projectile Lab by ChatStick free?

Projectile Lab 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 Projectile Lab by ChatStick or SectionLab have ads?

Both Projectile Lab 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.*