# System Designer vs TEV +

The clearest difference is device support: System Designer at 3 against TEV +'s —. TEV +'s advantage is iOS requirement (10.0 vs 15.6). 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 | System Designer | TEV + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (17 ratings)](https://appshunter.io/ios/app/system-designer/id1132983280/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 7 MB | 145 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Erwan Carriou](https://appshunter.io/developer/1102494853) | [Open as App GmbH](https://appshunter.io/developer/1084483621) |

## What reviewers say

### System Designer

[App page](https://appshunter.io/ios/app/system-designer/id1132983280)

Design complex systems using a low-code platform that leverages UML standards. Generate code skeletons and manage components graphically. Run and test your system with dynamic type checking.

**Highlights:** UML-based system modeling, Code skeleton generation, Graphical component creation, MSON format for model definition, Dynamic type checking, Cross-device synchronization via GitHub

**Features:** macOS Compatibility

**In-app purchases:** none


### TEV +

[App page](https://appshunter.io/ios/app/tev-plus/id6479616415)

**In-app purchases:** none


## Frequently asked questions

### Is System Designer free?

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

### Is TEV + free?

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

---

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