# Mobile Objektkontrolle vs Construction Log

The clearest difference is in-app purchases: Mobile Objektkontrolle at none against Construction Log's 9. Construction Log's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 18.6). On price, update cadence and ads there is nothing between them.

Both are free to download. Construction Log sells 9 in-app purchases, starting at $5.99 per month. Mobile Objektkontrolle asks for nothing beyond the download.

Mobile Objektkontrolle ships an update every 5 months, Construction Log every 3 months. Both last shipped on September 14, 2026.

## The numbers

| Metric | Mobile Objektkontrolle | Construction Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 12 MB | 39 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Axians Infoma GmbH](https://appshunter.io/developer/1001137604) | [TOBIAS ROSSMANN](https://appshunter.io/developer/1765097850) |

## What reviewers say

### Mobile Objektkontrolle

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Construction Log

[App page](https://appshunter.io/ios/app/construction-log-pro-doku/id6754005836)

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Doku (Premium) - Monthly | $5.99 | per month |
| Company Pro Monatlich | $12.99 | per month |
| Company Ultimate Jährlich | $22.99 | per month |
| Pro Doku (Premium) – Annual | $44.99 | per year |
| Company Unlimited Monatlich | $49.99 | per month |
| Company Pro Jährlich | $129.99 | per year |
| Company Ultimate Jährlich | $249.99 | per year |
| Company Unlimited Jährlich | $499.99 | per year |
| Pro Doku (Premium) - Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Mobile Objektkontrolle free?

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

### Is Construction Log free?

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

### Do Mobile Objektkontrolle or Construction Log have ads?

Neither Mobile Objektkontrolle nor Construction Log shows ads.

### Which is updated more often, Mobile Objektkontrolle or Construction Log?

Mobile Objektkontrolle ships an update every 5 months, and Construction Log every 3 months. Most recently, Mobile Objektkontrolle was updated on September 14, 2026 and Construction Log on September 14, 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.*