# TopOpt 3D vs Doawise Mechanical Eng. Guide

The clearest difference is iOS requirement: TopOpt 3D at 11.0 against Doawise Mechanical Eng. Guide's 16.0. 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 3D | Doawise Mechanical Eng. Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/topopt-3d/id881472301/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 103 MB | 24 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DTU Mechanical Engineering](https://appshunter.io/developer/507453160) | [CANER YAVUZ](https://appshunter.io/developer/1877125543) |

## What reviewers say

### TopOpt 3D

[App page](https://appshunter.io/ios/app/topopt-3d/id881472301)

Perform 3D structural optimization using topology optimization on your iPad or iPhone. Adjust loads, supports, volume fractions, and grid sizes to observe design evolution. Experiment with different parameters to discover new minimums.

**Highlights:** 3D topology optimization, Adjustable loads and supports, Variable volume fractions, Experiment with grid sizes, Design evolution visualization

**Features:** macOS Compatibility

**In-app purchases:** none


### Doawise Mechanical Eng. Guide

[App page](https://appshunter.io/ios/app/doawise-mechanical-eng-guide/id6759472947)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TopOpt 3D free?

TopOpt 3D is free to download, with no in-app purchases.

### Is Doawise Mechanical Eng. Guide free?

Doawise Mechanical Eng. Guide is free to download, with no in-app purchases.

### Do TopOpt 3D or Doawise Mechanical Eng. Guide have ads?

Neither TopOpt 3D nor Doawise Mechanical Eng. Guide 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.*