# bimCAD + Luftverbund App vs SmartEngineer

The clearest difference is update cadence: SmartEngineer at every 2 months against bimCAD + Luftverbund App's every 3 months. SmartEngineer also leads on iOS requirement (10.0 vs 12.0). 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.

bimCAD + Luftverbund App ships an update every 3 months, SmartEngineer every 2 months. The most recent releases landed on September 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | bimCAD + Luftverbund App | SmartEngineer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 157 MB | 14 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hottgenroth Software AG](https://appshunter.io/developer/985193745) | [Engineering Intelligent Technology Co., Limited](https://appshunter.io/developer/1493103669) |

## What reviewers say

### bimCAD + Luftverbund App

[App page](https://appshunter.io/ios/app/bimcad-plus-luftverbund-app/id1339703759)

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartEngineer

[App page](https://appshunter.io/ios/app/smartengineer/id1493103670)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is bimCAD + Luftverbund App free?

bimCAD + Luftverbund App is free to download, with no in-app purchases.

### Is SmartEngineer free?

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

### Do bimCAD + Luftverbund App or SmartEngineer have ads?

Neither bimCAD + Luftverbund App nor SmartEngineer shows ads.

### Which is updated more often, bimCAD + Luftverbund App or SmartEngineer?

bimCAD + Luftverbund App ships an update every 3 months, and SmartEngineer every 2 months. Most recently, bimCAD + Luftverbund App was updated on September 18, 2026 and SmartEngineer on October 3, 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.*