# TopOpt 3D vs myHBC

The clearest difference is review sentiment: myHBC at 100% against TopOpt 3D's 0%. myHBC also leads on update cadence (fortnightly vs every 6 weeks). TopOpt 3D's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TopOpt 3D ships an update every 6 weeks, myHBC fortnightly. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TopOpt 3D | myHBC |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 103 MB | 104 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [DTU Mechanical Engineering](https://appshunter.io/developer/507453160) | [UniNow GmbH](https://appshunter.io/developer/1099302123) |

## 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


### myHBC

[App page](https://appshunter.io/ios/app/myhbc/id6751705984)

Manage your academic life with this app, offering a calendar for appointments, grade calculation, library book tracking, and university email access. Stay organized and prepared for your studies on campus.

**Highlights:** Academic calendar for appointments, Grade point average calculator, Library book loan tracking and renewal, University email access, Push notifications for new grades

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TopOpt 3D free?

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

### Is myHBC free?

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

### Do TopOpt 3D or myHBC have ads?

Neither TopOpt 3D nor myHBC shows ads.

### Which is updated more often, TopOpt 3D or myHBC?

TopOpt 3D ships an update every 6 weeks, and myHBC fortnightly. Most recently, TopOpt 3D was updated on October 21, 2026 and myHBC on October 13, 2026.

---

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