# Ventappen vs DeDU 3

The clearest difference is update cadence: DeDU 3 at fortnightly against Ventappen's every 65 months. Ventappen's advantage is iOS requirement (8.0 vs 13.0). 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.

Ventappen ships an update every 65 months, DeDU 3 fortnightly. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Ventappen | DeDU 3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 65 months | **Fortnightly** |
| Size | 3 MB | 21 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VoltAir System AB](https://appshunter.io/developer/533100199) | [WSP Sverige AB](https://appshunter.io/developer/535494789) |

## What reviewers say

### Ventappen

[App page](https://appshunter.io/ios/app/ventappen/id533100196)

**Features:** macOS Compatibility

**In-app purchases:** none


### DeDU 3

[App page](https://appshunter.io/ios/app/dedu-3/id1113562843)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ventappen free?

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

### Is DeDU 3 free?

DeDU 3 is free to download, with no in-app purchases.

### Do Ventappen or DeDU 3 have ads?

Neither Ventappen nor DeDU 3 shows ads.

### Which is updated more often, Ventappen or DeDU 3?

Ventappen ships an update every 65 months, and DeDU 3 fortnightly. Most recently, Ventappen was updated on October 7, 2026 and DeDU 3 on September 30, 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.*