# Bautagebuch Mobile vs BauGPT

The clearest difference is review sentiment: Bautagebuch Mobile at 80% against BauGPT's 25%. Bautagebuch Mobile also leads on update cadence (every 4 days vs every 4 months) and iOS requirement (12.2 vs 15.1). BauGPT's advantage is in-app purchases (none vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Bautagebuch Mobile sells 1 one-off in-app purchase. BauGPT asks for nothing beyond the download.

Bautagebuch Mobile ships an update every 4 days, BauGPT every 4 months. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Bautagebuch Mobile | BauGPT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **80.0% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 219 MB | 33 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Weise Software GmbH](https://appshunter.io/developer/477665160) | [Protonaut GmbH](https://appshunter.io/developer/1041310234) |

## What reviewers say

### Bautagebuch Mobile

[App page](https://appshunter.io/ios/app/bautagebuch-mobile/id881438104)

Document construction progress with detailed daily reports. Track weather, participants, and site status, and attach photos to each entry. Sync data with desktop software for comprehensive project management.

**Highlights:** Detailed daily construction reports, Weather tracking, Participant and site status logging, Photo attachments, Data synchronization with Windows software, PDF/HTML report export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bautagebuch Mobile: Mailversand | $8.99 | one-time |


### 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 Bautagebuch Mobile free?

Bautagebuch Mobile is free to download, with in-app purchases available.

### Is BauGPT free?

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

### Do Bautagebuch Mobile or BauGPT have ads?

Neither Bautagebuch Mobile nor BauGPT shows ads.

### Which is updated more often, Bautagebuch Mobile or BauGPT?

Bautagebuch Mobile ships an update every 4 days, and BauGPT every 4 months. Most recently, Bautagebuch Mobile was updated on October 9, 2026 and BauGPT on October 28, 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.*