# Duco Installation App vs Brel Smart Building

The clearest difference is iOS requirement: Brel Smart Building at 12 against Duco Installation App's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Duco Installation App ships an update every 2 months, Brel Smart Building every 4 months. The most recent releases landed on October 5, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Duco Installation App | Brel Smart Building |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 155 MB | 37 MB |
| Requires iOS | 16.0 | **12** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Duco](https://appshunter.io/developer/1245700074) | [BREL NEDERLAND BV](https://appshunter.io/developer/1463935129) |

## What reviewers say

### Duco Installation App

[App page](https://appshunter.io/ios/app/duco-installation-app/id1593421862)

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

**In-app purchases:** none


### Brel Smart Building

[App page](https://appshunter.io/ios/app/brel-smart-building/id6747348549)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Duco Installation App free?

Duco Installation App is free to download, with no in-app purchases.

### Is Brel Smart Building free?

Brel Smart Building is free to download, with no in-app purchases.

### Do Duco Installation App or Brel Smart Building have ads?

Neither Duco Installation App nor Brel Smart Building shows ads.

### Which is updated more often, Duco Installation App or Brel Smart Building?

Duco Installation App ships an update every 2 months, and Brel Smart Building every 4 months. Most recently, Duco Installation App was updated on October 5, 2026 and Brel Smart Building on October 21, 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.*