# Digitales Lüftungsaufmaß vs ElbowCalc

The clearest difference is rating: Digitales Lüftungsaufmaß at 5.0 against ElbowCalc's 4.3. Digitales Lüftungsaufmaß also leads on in-app purchases (none vs 1). ElbowCalc's advantage is ratings volume (7 vs 1) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

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

Digitales Lüftungsaufmaß holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: ElbowCalc has 7 ratings behind it against 1, so its average is the more settled of the two.

Digitales Lüftungsaufmaß ships an update every 2 months, ElbowCalc every 5 weeks. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Digitales Lüftungsaufmaß | ElbowCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/digitales-luftungsaufma/id1583576047/reviews)** | [4.3 (7 ratings)](https://appshunter.io/ios/app/elbowcalc-flat-pattern-maker/id6753796014/reviews) |
| Number of ratings | 1 | **7** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 37 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Markora Digital Solutions GmbH](https://appshunter.io/developer/1583576049) | [Sachinbhai Surani](https://appshunter.io/developer/1838685550) |

## 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


### ElbowCalc

[App page](https://appshunter.io/ios/app/elbowcalc-flat-pattern-maker/id6753796014)

This professional tool assists engineers and fabricators in quickly calculating and visualizing flat patterns for elbows and reducers. It provides instant pattern graphs with cut coordinates to streamline fabrication and minimize material waste.

**Highlights:** Calculate various elbow types, Generate flat pattern graphs, Supports reducer bends, Provides cut coordinates, Fast and precise calculations, Share and save results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $19.99 | one-time |


## Frequently asked questions

### Is Digitales Lüftungsaufmaß free?

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

### Is ElbowCalc free?

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

### Which has better reviews, Digitales Lüftungsaufmaß or ElbowCalc?

Digitales Lüftungsaufmaß is rated higher. Digitales Lüftungsaufmaß averages 5.0 out of 5 from 1 ratings, while ElbowCalc averages 4.3 from 7 ratings.

### Do Digitales Lüftungsaufmaß or ElbowCalc have ads?

Neither Digitales Lüftungsaufmaß nor ElbowCalc shows ads.

### Which is updated more often, Digitales Lüftungsaufmaß or ElbowCalc?

Digitales Lüftungsaufmaß ships an update every 2 months, and ElbowCalc every 5 weeks. Most recently, Digitales Lüftungsaufmaß was updated on September 24, 2026 and ElbowCalc on September 10, 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.*