# DUKA Smart Fan vs Alpha Smart

The clearest difference is update cadence: Alpha Smart at every 2 months against DUKA Smart Fan's every 5 months. DUKA Smart Fan's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 18.6). On price, 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.

DUKA Smart Fan ships an update every 5 months, Alpha Smart every 2 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DUKA Smart Fan | Alpha Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 39 MB | 63 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DUKA Ventilation](https://appshunter.io/developer/1354423126) | [Möhlenhoff GmbH](https://appshunter.io/developer/1156870029) |

## What reviewers say

### DUKA Smart Fan

[App page](https://appshunter.io/ios/app/duka-smart-fan/id1500546906)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alpha Smart

[App page](https://appshunter.io/ios/app/alpha-smart/id1606733608)

**In-app purchases:** none


## Frequently asked questions

### Is DUKA Smart Fan free?

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

### Is Alpha Smart free?

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

### Do DUKA Smart Fan or Alpha Smart have ads?

Neither DUKA Smart Fan nor Alpha Smart shows ads.

### Which is updated more often, DUKA Smart Fan or Alpha Smart?

DUKA Smart Fan ships an update every 5 months, and Alpha Smart every 2 months. Most recently, DUKA Smart Fan was updated on October 29, 2026 and Alpha Smart on October 25, 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.*