# MEL STEM vs Interactive science 2nd

The clearest difference is update cadence: MEL STEM at monthly against Interactive science 2nd's every 30 months. MEL STEM also leads on ratings volume (449 vs 1) and iOS requirement (13.0 vs 15.1). Interactive science 2nd's advantage is rating (5.0 vs 4.8). 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.

Interactive science 2nd 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.

MEL STEM ships an update monthly, Interactive science 2nd every 30 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | MEL STEM | Interactive science 2nd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (449 ratings)](https://appshunter.io/ios/app/mel-stem-science-for-kids/id1474360296/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/interactive-science-2nd/id1515085020/reviews)** |
| Number of ratings | **449** | 1 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 30 months |
| Monetization | Free | Free |
| Size | 244 MB | 17 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MEL Science Limited](https://appshunter.io/developer/988394505) | [언어세상](https://appshunter.io/developer/939474498) |

## What reviewers say

### 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


### Interactive science 2nd

[App page](https://appshunter.io/ios/app/interactive-science-2nd/id1515085020)

Explore core science concepts across life, physical, earth, space, and technology. This app uses colorful visuals to make learning easier and deeper, aligning with US and Canadian national curricula.

**Highlights:** Life Science topics, Physical Science topics, Earth/Space Science topics, Technology and Society, US and Canada curriculum alignment, Visual learning aids

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MEL STEM free?

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

### Is Interactive science 2nd free?

Interactive science 2nd is free to download, with no in-app purchases.

### Which has better reviews, MEL STEM or Interactive science 2nd?

Interactive science 2nd is rated higher. MEL STEM averages 4.8 out of 5 from 449 ratings, while Interactive science 2nd averages 5.0 from 1 ratings.

### Do MEL STEM or Interactive science 2nd have ads?

Neither MEL STEM nor Interactive science 2nd shows ads.

### Which is updated more often, MEL STEM or Interactive science 2nd?

MEL STEM ships an update monthly, and Interactive science 2nd every 30 months. Most recently, MEL STEM was updated on October 26, 2026 and Interactive science 2nd on October 29, 2026.

---

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