# BAUSUBSTANZ vs Mobile Objektkontrolle

The clearest difference is update cadence: Mobile Objektkontrolle at every 5 months against BAUSUBSTANZ's every 11 months. BAUSUBSTANZ's advantage is iOS requirement (11.0 vs 18.6). 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.

BAUSUBSTANZ ships an update every 11 months, Mobile Objektkontrolle every 5 months. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | BAUSUBSTANZ | Mobile Objektkontrolle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 months** |
| Size | 109 MB | 12 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fraunhofer](https://appshunter.io/developer/487639036) | [Axians Infoma GmbH](https://appshunter.io/developer/1001137604) |

## What reviewers say

### BAUSUBSTANZ

[App page](https://appshunter.io/ios/app/bausubstanz/id860560312)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mobile Objektkontrolle

[App page](https://appshunter.io/ios/app/mobile-objektkontrolle/id1277019527)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BAUSUBSTANZ free?

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

### Is Mobile Objektkontrolle free?

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

### Do BAUSUBSTANZ or Mobile Objektkontrolle have ads?

Neither BAUSUBSTANZ nor Mobile Objektkontrolle shows ads.

### Which is updated more often, BAUSUBSTANZ or Mobile Objektkontrolle?

BAUSUBSTANZ ships an update every 11 months, and Mobile Objektkontrolle every 5 months. Most recently, BAUSUBSTANZ was updated on October 10, 2026 and Mobile Objektkontrolle on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*