# BauGPT vs MT Control

The clearest difference is update cadence: MT Control at every 6 weeks against BauGPT's every 5 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.

BauGPT ships an update every 5 months, MT Control every 6 weeks. The most recent releases landed on September 23, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | BauGPT | MT Control |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 33 MB | 131 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Protonaut GmbH](https://appshunter.io/developer/1041310234) | [Marco Heine](https://appshunter.io/developer/1504273741) |

## What reviewers say

### 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


### MT Control

[App page](https://appshunter.io/ios/app/mt-control/id6759596998)

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

**In-app purchases:** none


## Frequently asked questions

### Is BauGPT free?

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

### Is MT Control free?

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

### Do BauGPT or MT Control have ads?

Neither BauGPT nor MT Control shows ads.

### Which is updated more often, BauGPT or MT Control?

BauGPT ships an update every 5 months, and MT Control every 6 weeks. Most recently, BauGPT was updated on September 23, 2026 and MT Control on September 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.*