# TopOpt 3D

> 3D structural optimization tool using topology optimization for iOS devices. (iPhone/iPad app by DTU Mechanical Engineering.)

- Source: https://appshunter.io/ios/app/topopt-3d/id881472301 (this page in markdown: same URL + `.md`)
- Developer: [DTU Mechanical Engineering](https://appshunter.io/developer/507453160)
- Category: Education
- Price: Free
- Rating: 3.70/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 103 MB
- Languages: American English
- Released: 2014-06-06
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/topopt-3d/id881472301/reviews.md

## What is TopOpt 3D?

Use your iPad/iPhone to perform structural optimization by the topology optimization method in 3D ! 

Move loads and supports and watch the design evolve to a new minimum. Experiment with different volume fractions and grid sizes and see what happens.

## Key features

- 3D topology optimization
- Adjustable loads and supports
- Variable volume fractions
- Experiment with grid sizes
- Design evolution visualization

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/topopt-3d/id881472301/reviews.md

### 1/5 — Thought it was for topology

*2018-04-01*

It’s an app that doesn’t let you import nor do much. It doesn’t show you how topology works, it shows you volume percentage (if I’m correct).

## Frequently asked questions about TopOpt 3D

### What is TopOpt 3D used for?

TopOpt 3D allows users to perform 3D structural optimization using the topology optimization method. You can manipulate loads, supports, and design parameters to see how the structure evolves towards a minimum.

### What devices does TopOpt 3D support?

TopOpt 3D is compatible with iPhone, iPad, and iPod touch devices.

### Is TopOpt 3D free to download?

Yes, TopOpt 3D is available for free download. It does not have any in-app purchases or advertisements.

### What is the age rating for TopOpt 3D?

TopOpt 3D has an age rating of 4+, making it suitable for a wide range of users.

### How often is TopOpt 3D updated?

The latest version of TopOpt 3D is 1.2.6, which was released on April 13, 2018. The app has not received updates since then.

### What is the user rating for TopOpt 3D?

TopOpt 3D has an average rating of 3.7 stars based on 3 user reviews.

### Can I track my progress in TopOpt 3D?

The app focuses on performing simulations and visualizing design evolution rather than tracking user progress in a formal learning sense. Users can experiment with different parameters to see varied outcomes.

### Does TopOpt 3D offer certifications?

TopOpt 3D is a tool for performing structural optimization experiments and does not offer any formal certifications upon completion of tasks.

## Version history (last 5 releases)

### 1.2.6 — 2018-04-13

This app has been updated by Apple to display the Apple Watch app icon.

Updated STL generator

### 1.2.5 — 2017-11-07

Updated for iOS11

### 1.2.0 — 2014-10-08

Add load / save / export to email and import from email

### 1.1.0 — 2014-08-26

Add support for transparent visualization

### 1.0.3 — 2014-06-28

Added 3D export filename. Fixed initial rotation of loads.

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## More apps by DTU Mechanical Engineering

- [TopOpt](https://appshunter.io/ios/app/topopt/id507454646)
- [TopOpt Game](https://appshunter.io/ios/app/topopt-game/id909328876)
- [TopOpt Shape](https://appshunter.io/ios/app/topopt-shape/id1445661360)

All apps by DTU Mechanical Engineering: https://appshunter.io/developer/507453160

## Related topics

[dtu mechanical engineering](https://appshunter.io/ios/topics/dtu-mechanical-engineering) · [design topology](https://appshunter.io/ios/topics/design-topology)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*