# MEL STEM vs Read Ninja

The clearest difference is iOS requirement: MEL STEM at 13.0 against Read Ninja's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | MEL STEM | Read Ninja |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (429 ratings)](https://appshunter.io/ios/app/mel-stem-science-for-kids/id1474360296/reviews)** | — |
| Number of ratings | **429** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 244 MB | 52 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) | [Sergei Terekhov](https://appshunter.io/developer/1821556806) |

## 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


### Read Ninja

[App page](https://appshunter.io/ios/app/read-ninja/id6755857607)

**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 Read Ninja free?

Read Ninja is free to download, with no in-app purchases.

### Do MEL STEM or Read Ninja have ads?

Neither MEL STEM nor Read Ninja shows ads.

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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.*