# COSI Science vs Eastern Local SD

The clearest difference is rating: Eastern Local SD at 4.5 against COSI Science's 4.1. COSI Science's advantage is ratings volume (27 vs 2) and device support (3 vs 1). On price, update cadence, 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.

Eastern Local SD holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: COSI Science has 27 ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | COSI Science | Eastern Local SD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (27 ratings)](https://appshunter.io/ios/app/cosi-science/id1251512700/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/eastern-local-sd/id1608379309/reviews)** |
| Number of ratings | **27** | 2 |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 21 MB | 143 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [COSI](https://appshunter.io/developer/1251512698) | [Eastern Local School District](https://appshunter.io/developer/1608379311) |

## 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


### Eastern Local SD

[App page](https://appshunter.io/ios/app/eastern-local-sd/id1608379309)

Stay informed about school district events, customize notifications for your student's organizations, and access weekly cafeteria menus. Get live updates from administration and easily find staff contact information.

**Highlights:** Event calendar with sharing, Customizable organization notifications, Weekly cafeteria menus, Live district updates feed, Staff and department directory

**In-app purchases:** none


## Frequently asked questions

### Is COSI Science free?

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

### Is Eastern Local SD free?

Eastern Local SD is free to download, with no in-app purchases.

### Which has better reviews, COSI Science or Eastern Local SD?

Eastern Local SD is rated higher. COSI Science averages 4.1 out of 5 from 27 ratings, while Eastern Local SD averages 4.5 from 2 ratings.

### Do COSI Science or Eastern Local SD have ads?

Neither COSI Science nor Eastern Local SD shows ads.

### Which is updated more often, COSI Science or Eastern Local SD?

COSI Science ships an update every 2 months, and Eastern Local SD every 2 months. Most recently, COSI Science was updated on October 12, 2026 and Eastern Local SD on October 4, 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.*