# TopOpt Shape vs STRUCT

The clearest difference is iOS requirement: TopOpt Shape at 12.0 against STRUCT's 15.0. 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 | TopOpt Shape | STRUCT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/struct-ar/id6476420507/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Monetization | — | Free |
| Size | 5 MB | 165 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DTU Mechanical Engineering](https://appshunter.io/developer/507453160) | [UVA Apps, LLC](https://appshunter.io/developer/881105800) |

## What reviewers say

### TopOpt Shape

[App page](https://appshunter.io/ios/app/topopt-shape/id1445661360)

**Features:** macOS Compatibility

**In-app purchases:** none


### STRUCT

[App page](https://appshunter.io/ios/app/struct-ar/id6476420507)

Explore structural engineering concepts in augmented reality. Visualize how beams and bridges react to loads in your own space, offering an interactive and engaging learning experience for students. No complex setup required, just your device and camera.

**Highlights:** Augmented reality visualization, Interactive load simulations, Pre-loaded finite element models, Classroom and independent learning tool, 3D model interaction, Camera access for AR

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TopOpt Shape free?

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

### Is STRUCT free?

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

### Do TopOpt Shape or STRUCT have ads?

Neither TopOpt Shape nor STRUCT 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.*