# ERLUS Profi vs Alural

The clearest difference is update cadence: Alural at every 6 days against ERLUS Profi's every 4 months. Alural also leads on iOS requirement (12.0 vs 15.0). 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.

ERLUS Profi ships an update every 4 months, Alural every 6 days. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | ERLUS Profi | Alural |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 26 MB | 52 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ERLUS AG](https://appshunter.io/developer/1113943917) | [ALURAL Bauelemente GmbH & Co.KG](https://appshunter.io/developer/1708868637) |

## What reviewers say

### ERLUS Profi

[App page](https://appshunter.io/ios/app/erlus-profi-app-dach/id952643496)

This tool assists professional roofers by allowing them to create and manage construction projects, select roofing tiles, and perform precise calculations for wind load, snow protection, and material quantities. It guides users through data input and offers PDF exports for project summaries and product details.

**Highlights:** Create and manage construction projects, Select appropriate roofing tiles, Calculate material quantities, Determine wind load safety, Calculate snow protection systems, Export project summaries as PDF

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

**In-app purchases:** none


### Alural

[App page](https://appshunter.io/ios/app/alural/id6467622189)

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

**In-app purchases:** none


## Frequently asked questions

### Is ERLUS Profi free?

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

### Is Alural free?

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

### Do ERLUS Profi or Alural have ads?

Neither ERLUS Profi nor Alural shows ads.

### Which is updated more often, ERLUS Profi or Alural?

ERLUS Profi ships an update every 4 months, and Alural every 6 days. Most recently, ERLUS Profi was updated on November 1, 2026 and Alural on November 7, 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.*