# Sci vs TraceLab

The clearest difference is in-app purchases: Sci at none against TraceLab's 3. Sci also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). TraceLab's advantage is update cadence (fortnightly vs every 6 weeks). On price and ads there is nothing between them.

Both are free to download. TraceLab sells 3 in-app purchases, starting at $2.99 per month. Sci asks for nothing beyond the download.

Sci ships an update every 6 weeks, TraceLab fortnightly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sci | TraceLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 86 MB | 47 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [山东远大朗威教育科技股份有限公司](https://appshunter.io/developer/1197726190) | [Shanghai Zhaoshi Technology Co., Ltd](https://appshunter.io/developer/1803512439) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci-lab-primary/id1387072836)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Sci free?

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

### Is TraceLab free?

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

### Do Sci or TraceLab have ads?

Neither Sci nor TraceLab shows ads.

### Which is updated more often, Sci or TraceLab?

Sci ships an update every 6 weeks, and TraceLab fortnightly. Most recently, Sci was updated on October 13, 2026 and TraceLab on October 24, 2026.

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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.*