# Twin Science vs eTwinning & ESEP

The clearest difference is rating: eTwinning & ESEP at 5.0 against Twin Science's 4.4. eTwinning & ESEP also leads on in-app purchases (none vs 10) and iOS requirement (13.0 vs 15.0). Twin Science's advantage is ratings volume (77 vs 1) and update cadence (every 2 months vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Twin Science sells 10 in-app purchases, starting at $2.49 per month. eTwinning & ESEP asks for nothing beyond the download.

eTwinning & ESEP holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Twin Science has 77 ratings behind it against 1, so its average is the more settled of the two.

Twin Science ships an update every 2 months, eTwinning & ESEP every 6 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Twin Science | eTwinning & ESEP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (77 ratings)](https://appshunter.io/ios/app/twin-science-stem-learning/id1479559635/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/etwinning-and-esep/id6449774543/reviews)** |
| Number of ratings | **77** | 1 |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Freemium | **Free** |
| Size | 97 MB | 29 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Twin](https://appshunter.io/developer/1447423866) | [European Union Apps](https://appshunter.io/developer/947823674) |

## What reviewers say

### Twin Science

[App page](https://appshunter.io/ios/app/twin-science-stem-learning/id1479559635)

This app provides sustainability and environmental education for children aged 7-12 through gamified STEM+A content. It features interactive videos, hands-on projects, trivia, and AI-based skill reports for parents and educators.

**Highlights:** Sustainability & environmental education, Gamified learning experience, AI-based monthly skill reports, Interactive discovery videos, Hands-on DIY projects, STEM+A trivia games

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership | $2.49 | per month |
| Premium Membership | $2.99 | per month |
| Premium Membership | $3.49 | per month |
| Monthly Premium Plan | $7.99 | per month |
| Premium Membership | $23.99 | per year |
| Premium Membership | $27.99 | per year |
| Premium Membership | $29.99 | per year |
| 6 Months Education Pack | $44.99 | per 6 months |
| Yearly Premium Plan | $79.99 | per year |
| 1 Year Education Pack | $79.99 | per year |


### eTwinning & ESEP

[App page](https://appshunter.io/ios/app/etwinning-and-esep/id6449774543)

Connect with the European School Education Platform and the eTwinning community. Access news, find upcoming events, and discover partners for educational projects. Registered users receive project updates and notifications.

**Highlights:** Access platform news and articles, Find information on webinars and events, Discover project partners, Receive project and group updates, Opt-in for notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Twin Science free?

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

### Is eTwinning & ESEP free?

eTwinning & ESEP is free to download, with no in-app purchases.

### Which has better reviews, Twin Science or eTwinning & ESEP?

eTwinning & ESEP is rated higher. Twin Science averages 4.4 out of 5 from 77 ratings, while eTwinning & ESEP averages 5.0 from 1 ratings.

### Do Twin Science or eTwinning & ESEP have ads?

Neither Twin Science nor eTwinning & ESEP shows ads.

### Which is updated more often, Twin Science or eTwinning & ESEP?

Twin Science ships an update every 2 months, and eTwinning & ESEP every 6 months. Most recently, Twin Science was updated on November 11, 2026 and eTwinning & ESEP on November 3, 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.*