# COSI Science vs Diversion Dance

The clearest difference is rating: COSI Science at 4.0 against Diversion Dance's 3.6. COSI Science also leads on update cadence (every 2 months vs every 8 months) and ratings volume (28 vs 5). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 4.0 against 3.6. That said, the two scores are not equally well evidenced: COSI Science has 28 ratings behind it against 5, so its average is the more settled of the two.

COSI Science ships an update every 2 months, Diversion Dance every 8 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | COSI Science | Diversion Dance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (28 ratings)](https://appshunter.io/ios/app/cosi-science/id1251512700/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/diversion-dance/id6744715150/reviews) |
| Number of ratings | **28** | 5 |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 21 MB | 70 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [COSI](https://appshunter.io/developer/1251512698) | [Diversion Dance Collective](https://appshunter.io/developer/1809039779) |

## 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


### Diversion Dance

[App page](https://appshunter.io/ios/app/diversion-dance/id6744715150)

Manage your dance studio account, register for classes, and stay updated on important announcements. Access all studio offerings conveniently from your smartphone.

**Highlights:** Account management, Class registration, Event registration, Receive notifications, View studio offerings, On-the-go access

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

**In-app purchases:** none


## Frequently asked questions

### Is COSI Science free?

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

### Is Diversion Dance free?

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

### Which has better reviews, COSI Science or Diversion Dance?

COSI Science is rated higher. COSI Science averages 4.0 out of 5 from 28 ratings, while Diversion Dance averages 3.6 from 5 ratings.

### Do COSI Science or Diversion Dance have ads?

Neither COSI Science nor Diversion Dance shows ads.

### Which is updated more often, COSI Science or Diversion Dance?

COSI Science ships an update every 2 months, and Diversion Dance every 8 months. Most recently, COSI Science was updated on October 24, 2026 and Diversion Dance on October 26, 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.*