# MEL Science vs KAI Robotics

The clearest difference is update cadence: MEL Science at every 6 weeks against KAI Robotics's every 16 months. MEL Science also leads on review sentiment (39% vs 27%) and ratings volume (88 vs 12). KAI Robotics's advantage is iOS requirement (12.0 vs 15.6). On price, rating, 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.

On the App Store both sit at effectively the same score — 3.7 for MEL Science against 3.6 for KAI Robotics. That said, the two scores are not equally well evidenced: MEL Science has 88 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 39% of MEL Science's written reviews are positive against 27% of KAI Robotics's.

MEL Science ships an update every 6 weeks, KAI Robotics every 16 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | MEL Science | KAI Robotics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (88 ratings)](https://appshunter.io/ios/app/mel-science-a-science-lab-app/id988394506/reviews)** | [3.6 (12 ratings)](https://appshunter.io/ios/app/kai-robotics/id6447761719/reviews) |
| Number of ratings | **88** | 12 |
| Positive reviews | **39.1% of reviews** | 27.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 16 months |
| Monetization | Free | Free |
| Size | 130 MB | 68 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MEL Science Limited](https://appshunter.io/developer/988394505) | [Franckh-Kosmos Verlags GmbH & Co. KG](https://appshunter.io/developer/375309682) |

## What reviewers say

### MEL Science

[App page](https://appshunter.io/ios/app/mel-science-a-science-lab-app/id988394506)

Explore the world of science through interactive experiments and engaging games. This app guides you through real science activities, making learning fun and hands-on. Discover molecular structures and conduct your own science projects.

**Highlights:** Conduct real science experiments, Interactive experiment guidance, Learn molecular structures, Science games and activities, Experiment assistant, Knowledge check tests

**In-app purchases:** none


### KAI Robotics

[App page](https://appshunter.io/ios/app/kai-robotics/id6447761719)

Build and control an AI robot using your device. Collect data, train the AI model with gestures and sounds, and then play with your robot. Offers remote control and customization options for the robot's LED display.

**Highlights:** Build an AI robot, Gesture recognition control, Sound recognition control, Train AI models, Offline data processing, Remote control mode, Customizable LED display

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MEL Science free?

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

### Is KAI Robotics free?

KAI Robotics is free to download, with no in-app purchases.

### Which has better reviews, MEL Science or KAI Robotics?

MEL Science is rated higher. MEL Science averages 3.7 out of 5 from 88 ratings, while KAI Robotics averages 3.6 from 12 ratings.

### Do MEL Science or KAI Robotics have ads?

Neither MEL Science nor KAI Robotics shows ads.

### Which is updated more often, MEL Science or KAI Robotics?

MEL Science ships an update every 6 weeks, and KAI Robotics every 16 months. Most recently, MEL Science was updated on October 24, 2026 and KAI Robotics on October 27, 2026.

---

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