# DUKA Smart App vs Din Ventilation

DUKA Smart App and Din Ventilation are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | DUKA Smart App | Din Ventilation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 145 MB | 182 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DUKA Ventilation](https://appshunter.io/developer/1354423126) | [Aoc Invest ApS](https://appshunter.io/developer/1797745129) |

## What reviewers say

### DUKA Smart App

[App page](https://appshunter.io/ios/app/duka-smart-app/id1354423127)

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

**In-app purchases:** none


### Din Ventilation

[App page](https://appshunter.io/ios/app/din-ventilation/id6742319698)

**In-app purchases:** none


## Frequently asked questions

### Is DUKA Smart App free?

DUKA Smart App is free to download, with no in-app purchases.

### Is Din Ventilation free?

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

### Do DUKA Smart App or Din Ventilation have ads?

Neither DUKA Smart App nor Din Ventilation shows ads.

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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.*