# einstein Junior vs MEL STEM

The clearest difference is review sentiment: MEL STEM at 71% against einstein Junior's 0%. MEL STEM also leads on update cadence (monthly vs every 24 months) and ratings volume (449 vs 1). einstein Junior's advantage is rating (5.0 vs 4.8) and iOS requirement (7.1 vs 13.0). 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.

einstein Junior holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: MEL STEM has 449 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of einstein Junior's written reviews are positive against 71% of MEL STEM's, so the app with the better star average is not the one people write more warmly about.

einstein Junior ships an update every 24 months, MEL STEM monthly. The most recent releases landed on October 11, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | einstein Junior | MEL STEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/einstein-junior/id949923920/reviews)** | [4.8 (449 ratings)](https://appshunter.io/ios/app/mel-stem-science-for-kids/id1474360296/reviews) |
| Number of ratings | 1 | **449** |
| Positive reviews | 0.0% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Monthly** |
| Monetization | Free | Free |
| Size | 107 MB | 244 MB |
| Requires iOS | **7.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fourier Education](https://appshunter.io/developer/510661572) | [MEL Science Limited](https://appshunter.io/developer/988394505) |

## What reviewers say

### einstein Junior

[App page](https://appshunter.io/ios/app/einstein-junior/id949923920)

Explore the world and learn about science through interactive games. This app uses device sensors to help you investigate your surroundings and discover new things. Embark on quests to understand habitats and develop your inner scientist.

**Highlights:** Sensor-based learning, Interactive games, World exploration, Habitat quests, Develop scientific understanding

**Features:** macOS Compatibility

**In-app purchases:** none


### MEL STEM

[App page](https://appshunter.io/ios/app/mel-stem-science-for-kids/id1474360296)

Explore fundamental scientific concepts like light, sound, and electricity through interactive games and AR experiences. This app offers visual explanations and virtual experiments for young learners, guided by engaging characters.

**Highlights:** Interactive science games, AR STEM experiences, Visual explanations of concepts, Virtual science lab, 3D/AR visual explanations

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great subscription box for families
- 💡 Interactive and engaging app
- 👍 Kits and apps are fun
- 👍 Cool science experiments
- 👍 Good conversation starters

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 AR/3D modes are black and unusable
- 🐛 Instruction book missing
- 🐛 Card scanning not working
- 🐛 App not working at all

**Reported bugs**

- Card cannot be scanned, no option available
- AR sections show black screen
- App is completely unusable due to black screens in AR and 3D mode after update
- Non-stop crashing, app not working
- Missing instruction book for luminescence kit

**Requested features**

- Fix card scanning functionality
- Ensure instruction books are included with kits


## Frequently asked questions

### Is einstein Junior free?

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

### Is MEL STEM free?

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

### Which has better reviews, einstein Junior or MEL STEM?

einstein Junior is rated higher. einstein Junior averages 5.0 out of 5 from 1 ratings, while MEL STEM averages 4.8 from 449 ratings.

### Do einstein Junior or MEL STEM have ads?

Neither einstein Junior nor MEL STEM shows ads.

### Which is updated more often, einstein Junior or MEL STEM?

einstein Junior ships an update every 24 months, and MEL STEM monthly. Most recently, einstein Junior was updated on October 11, 2026 and MEL STEM 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.*