# COSI Science vs Zane Trace LSD

The clearest difference is update cadence: COSI Science at every 2 months against Zane Trace LSD's every 9 months. COSI Science also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

COSI Science ships an update every 2 months, Zane Trace LSD every 9 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | COSI Science | Zane Trace LSD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (28 ratings)](https://appshunter.io/ios/app/cosi-science/id1251512700/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free | — |
| Size | 21 MB | 62 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [COSI](https://appshunter.io/developer/1251512698) | [Zane Trace Local School District](https://appshunter.io/developer/1704361563) |

## What reviewers say

### COSI Science

[App page](https://appshunter.io/ios/app/cosi-science/id1251512700)

Explore science at home with engaging videos and hands-on activities. Participate in citizen science projects or take virtual tours. This app brings the Center of Science and Industry's educational content to your family.

**Highlights:** At-home science discovery, Engaging science videos, Hands-on science activities, Citizen science participation, Virtual museum tours, Science challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Zane Trace LSD

[App page](https://appshunter.io/ios/app/zane-trace-lsd/id6463439463)

**In-app purchases:** none


## Frequently asked questions

### Is COSI Science free?

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

### Is Zane Trace LSD free?

Zane Trace LSD is free to download, with no in-app purchases.

### Do COSI Science or Zane Trace LSD have ads?

Neither COSI Science nor Zane Trace LSD shows ads.

### Which is updated more often, COSI Science or Zane Trace LSD?

COSI Science ships an update every 2 months, and Zane Trace LSD every 9 months. Most recently, COSI Science was updated on October 24, 2026 and Zane Trace LSD on October 30, 2026.

---

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