# SKILL BauDoc 4 vs B2B

The clearest difference is in-app purchases: SKILL BauDoc 4 at none against B2B's 1. SKILL BauDoc 4 also leads on update cadence (fortnightly vs every 2 months). B2B's advantage is iOS requirement (15.1 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. B2B sells 1 in-app purchase, starting at $89.99 per month. SKILL BauDoc 4 asks for nothing beyond the download.

SKILL BauDoc 4 ships an update fortnightly, B2B every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SKILL BauDoc 4 | B2B |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 54 MB | 56 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SKILL Software GmbH](https://appshunter.io/developer/1529450963) | [MASA (ma-sa.eu) GmbH](https://appshunter.io/developer/1823610754) |

## What reviewers say

### SKILL BauDoc 4

[App page](https://appshunter.io/ios/app/skill-baudoc-4/id1589762579)

This app streamlines construction documentation by integrating plans, photos, and object data for seamless use in facility management. It simplifies tasks from planning to revitalization, offering features like QR code integration, automated daily logs, and advanced plan management.

**Highlights:** QR/NFC code integration for direct access to objects/rooms, Automated daily logs and activity tracking, Advanced plan management with version control, Customizable multi-level reports, 2D/3D floor plan creation from LiDar scans, IoT/Sensor integration for structure visualization

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

**In-app purchases:** none


### B2B

[App page](https://appshunter.io/ios/app/b2b-bau/id6748550553)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $89.99 | per month |


## Frequently asked questions

### Is SKILL BauDoc 4 free?

SKILL BauDoc 4 is free to download, with no in-app purchases.

### Is B2B free?

B2B is free to download, with in-app purchases available.

### Do SKILL BauDoc 4 or B2B have ads?

Neither SKILL BauDoc 4 nor B2B shows ads.

### Which is updated more often, SKILL BauDoc 4 or B2B?

SKILL BauDoc 4 ships an update fortnightly, and B2B every 2 months. Most recently, SKILL BauDoc 4 was updated on November 3, 2026 and B2B on October 30, 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.*