# ENGINO kidCAD (3D Viewer) vs mBlock

The clearest difference is rating: mBlock at 3.1 against ENGINO kidCAD (3D Viewer)'s 2.7. mBlock also leads on review sentiment (34% vs 18%). On price, ratings volume, update cadence and ads there is nothing between them.

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

mBlock holds the better App Store score, 3.1 against 2.7. Both are backed by a comparable volume of ratings — 53 and 152 respectively. Written reviews point the same way: 18% of ENGINO kidCAD (3D Viewer)'s written reviews are positive against 34% of mBlock's.

ENGINO kidCAD (3D Viewer) ships an update every 3 months, mBlock every 2 months. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ENGINO kidCAD (3D Viewer) | mBlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (53 ratings)](https://appshunter.io/ios/app/engino-kidcad-3d-viewer/id962175208/reviews) | **[3.1 (152 ratings)](https://appshunter.io/ios/app/mblock-learn-coding/id1367117202/reviews)** |
| Number of ratings | 53 | **152** |
| Positive reviews | 17.6% of reviews | **33.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 160 MB | 170 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Engino](https://appshunter.io/developer/875789415) | [Makeblock Co., Ltd.](https://appshunter.io/developer/1002364464) |

## What reviewers say

### ENGINO kidCAD (3D Viewer)

[App page](https://appshunter.io/ios/app/engino-kidcad-3d-viewer/id962175208)

Explore and interact with 3D models of various vehicles and machines. Rotate, zoom, and explode models to understand their construction and assembly. Access an ever-growing library of designs for educational and creative purposes.

**Highlights:** 3D model viewing, Rotate and zoom functionality, Explode model feature, Extensive model library, Continually updated content, Educational construction system models

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

**In-app purchases:** none


### mBlock

[App page](https://appshunter.io/ios/app/mblock-learn-coding/id1367117202)

This app enables students to learn coding through a block-based interface or Python. It supports creating games, animations, and programming robots, incorporating AI, IoT, and data science for advanced computer science education.

**Highlights:** Graphical programming with drag-and-drop blocks, Python programming support, Create games and animations, Program robots, AI, IoT, and data science features, Cloud storage for projects

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

**In-app purchases:** none

**What reviewers like**

- 👍 Good for coding robots
- 👍 Works well with Codey Rocky
- 👍 Great for learning programming
- 👍 Similar to Scratch
- 👍 Bluetooth connection works

**What reviewers complain about**

- 🐛 Does not support mBot2/mBot Neo
- 🐛 Connection issues (Bluetooth)
- 🐛 App is glitchy
- 🐛 Upload mode not working on iPad
- 🐛 Live mode not working

**Reported bugs**

- mBot2/mBot Neo not supported
- Bluetooth connection fails or is unstable
- App crashes or freezes
- Upload mode not functional on iPad
- Live mode unresponsive

**Requested features**

- Add mBot2/mBot Neo support
- Improve Bluetooth connectivity
- Add local storage for programs
- Implement zoom functionality
- Add more examples for Codey Rocky


## Frequently asked questions

### Is ENGINO kidCAD (3D Viewer) free?

ENGINO kidCAD (3D Viewer) is free to download, with no in-app purchases.

### Is mBlock free?

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

### Which has better reviews, ENGINO kidCAD (3D Viewer) or mBlock?

mBlock is rated higher. ENGINO kidCAD (3D Viewer) averages 2.7 out of 5 from 53 ratings, while mBlock averages 3.1 from 152 ratings.

### Do ENGINO kidCAD (3D Viewer) or mBlock have ads?

Neither ENGINO kidCAD (3D Viewer) nor mBlock shows ads.

### Which is updated more often, ENGINO kidCAD (3D Viewer) or mBlock?

ENGINO kidCAD (3D Viewer) ships an update every 3 months, and mBlock every 2 months. Most recently, ENGINO kidCAD (3D Viewer) was updated on September 20, 2026 and mBlock on September 17, 2026.

---

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