# bauXpert vs BauGPT

The clearest difference is review sentiment: bauXpert at 100% against BauGPT's 25%. bauXpert also leads on iOS requirement (8.0 vs 15.1). BauGPT's advantage is update cadence (every 5 months vs every 15 months). 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.

bauXpert ships an update every 15 months, BauGPT every 5 months. The most recent releases landed on October 6, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | bauXpert | BauGPT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 16 MB | 33 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [forty-two Software-Entwicklung GmbH](https://appshunter.io/developer/362821083) | [Protonaut GmbH](https://appshunter.io/developer/1041310234) |

## What reviewers say

### bauXpert

[App page](https://appshunter.io/ios/app/bauxpert/id553564643)

Find local building material suppliers and get construction materials delivered to your site. Includes helpful tools like a level, protractor, and flashlight for DIY projects and professional use.

**Highlights:** Location-based supplier search, Direct contact for material orders, Material delivery to construction site, Calibrated spirit level tool, Angle measurement tool, Integrated flashlight

**Features:** macOS Compatibility

**In-app purchases:** none


### BauGPT

[App page](https://appshunter.io/ios/app/baugpt/id6759096058)

Get instant, expert answers for construction-related questions, from building codes to material suggestions. Upload plans and photos, or use voice input for quick, practical advice tailored to construction projects. Your data is kept private and compliant with GDPR standards.

**Highlights:** Ask construction questions in plain language, Upload plans and photos for analysis, Voice input for hands-free operation, Share images directly from gallery, GDPR compliant data storage in Germany, Dark mode

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

**In-app purchases:** none


## Frequently asked questions

### Is bauXpert free?

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

### Is BauGPT free?

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

### Do bauXpert or BauGPT have ads?

Neither bauXpert nor BauGPT shows ads.

### Which is updated more often, bauXpert or BauGPT?

bauXpert ships an update every 15 months, and BauGPT every 5 months. Most recently, bauXpert was updated on October 6, 2026 and BauGPT on September 23, 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.*