# PhysicsViz vs Projectile Lab by ChatStick

The clearest difference is in-app purchases: PhysicsViz at none against Projectile Lab by ChatStick's 1. PhysicsViz also leads on iOS requirement (15.0 vs 26.0). Projectile Lab by ChatStick's advantage is device support. On price there is nothing between them.

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

## The numbers

| Metric | PhysicsViz | Projectile Lab by ChatStick |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Size | 2 MB | 12 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [SHIVAM GAIND](https://appshunter.io/developer/1885222857) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### PhysicsViz

[App page](https://appshunter.io/ios/app/physicsviz/id6761396069)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is PhysicsViz free?

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

### Is Projectile Lab by ChatStick free?

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

---

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