# ENGINO kidCAD (3D Viewer) vs STEM Teller

The clearest difference is device support: ENGINO kidCAD (3D Viewer) at 3 against STEM Teller's —. STEM Teller's advantage is iOS requirement (12.0 vs 15.0). On price 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.

## The numbers

| Metric | ENGINO kidCAD (3D Viewer) | STEM Teller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (53 ratings)](https://appshunter.io/ios/app/engino-kidcad-3d-viewer/id962175208/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 160 MB | 255 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Engino](https://appshunter.io/developer/875789415) | [DIA-HAEBO CO. LTD](https://appshunter.io/developer/1688514343) |

## 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


### STEM Teller

[App page](https://appshunter.io/ios/app/stem-teller/id6449413620)

**In-app purchases:** none


## Frequently asked questions

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

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

### Is STEM Teller free?

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

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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.*