# Digitales Lüftungsaufmaß vs Construction Acceptance

The clearest difference is in-app purchases: Digitales Lüftungsaufmaß at none against Construction Acceptance's 1. Digitales Lüftungsaufmaß also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Construction Acceptance sells 1 one-off in-app purchase. Digitales Lüftungsaufmaß asks for nothing beyond the download.

Digitales Lüftungsaufmaß ships an update every 2 months, Construction Acceptance every 5 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Digitales Lüftungsaufmaß | Construction Acceptance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/digitales-luftungsaufma/id1583576047/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 35 MB | 1 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Markora Digital Solutions GmbH](https://appshunter.io/developer/1583576049) | [Cosmic Production d.o.o.](https://appshunter.io/developer/1882842325) |

## What reviewers say

### Digitales Lüftungsaufmaß

[App page](https://appshunter.io/ios/app/digitales-luftungsaufma/id1583576047)

Create detailed measurements for ventilation ducts and fittings with a 3D visualizer. Input data quickly, validate entries, and export to various formats. Designed for professionals in ventilation technology.

**Highlights:** Digital measurement of ducts and fittings, 3D live view of components, Input validation, Compliance with DIN 18379, PDF, Excel, and XML export, Integrated data shipping

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

**In-app purchases:** none


### Construction Acceptance

[App page](https://appshunter.io/ios/app/construction-acceptance/id6807588956)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protocol Export | $8.99 | one-time |


## Frequently asked questions

### Is Digitales Lüftungsaufmaß free?

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

### Is Construction Acceptance free?

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

### Do Digitales Lüftungsaufmaß or Construction Acceptance have ads?

Neither Digitales Lüftungsaufmaß nor Construction Acceptance shows ads.

### Which is updated more often, Digitales Lüftungsaufmaß or Construction Acceptance?

Digitales Lüftungsaufmaß ships an update every 2 months, and Construction Acceptance every 5 weeks. Most recently, Digitales Lüftungsaufmaß was updated on November 3, 2026 and Construction Acceptance on October 31, 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.*