# TraceLab vs Projectile Lab by ChatStick

The clearest difference is ads: TraceLab at none against Projectile Lab by ChatStick's shown. TraceLab also leads on iOS requirement (17.6 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. TraceLab sells 3 in-app purchases, starting at $2.99 per month and Projectile Lab by ChatStick sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | TraceLab | Projectile Lab by ChatStick |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | — |
| Size | 47 MB | 12 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Zhaoshi Technology Co., Ltd](https://appshunter.io/developer/1803512439) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### TraceLab

[App page](https://appshunter.io/ios/app/tracelab-phys-video-modeling/id6758286106)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Member | $2.99 | per month |
| Annual Membership | $19.99 | per year |
| Lifetime Membership | $39.99 | one-time |


### 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 TraceLab free?

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

### Is Projectile Lab by ChatStick free?

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

### Do TraceLab or Projectile Lab by ChatStick have ads?

Projectile Lab by ChatStick shows ads; TraceLab 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.*