# mechanical design engine vs LMF CompXpert

The clearest difference is update cadence: mechanical design engine at every 2 months against LMF CompXpert's every 12 months. 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.

mechanical design engine ships an update every 2 months, LMF CompXpert every 12 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | mechanical design engine | LMF CompXpert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Size | 63 MB | 154 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [gan dae choi](https://appshunter.io/developer/1574341439) | [Leobersdorfer Maschinenfabrik GmbH](https://appshunter.io/developer/1590990584) |

## What reviewers say

### mechanical design engine

[App page](https://appshunter.io/ios/app/mechanical-design-engine/id1574341437)

**Features:** macOS Compatibility

**In-app purchases:** none


### LMF CompXpert

[App page](https://appshunter.io/ios/app/lmf-compxpert/id1608167192)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is mechanical design engine free?

mechanical design engine is free to download, with no in-app purchases.

### Is LMF CompXpert free?

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

### Do mechanical design engine or LMF CompXpert have ads?

Neither mechanical design engine nor LMF CompXpert shows ads.

### Which is updated more often, mechanical design engine or LMF CompXpert?

mechanical design engine ships an update every 2 months, and LMF CompXpert every 12 months. Most recently, mechanical design engine was updated on October 27, 2026 and LMF CompXpert on October 27, 2026.

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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.*