# Duffel vs Open

The clearest difference is update cadence: Duffel at fortnightly against Open's every 3 months. 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.

Duffel ships an update fortnightly, Open every 3 months. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Duffel | Open |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 71 MB | 57 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Vlaamse overheid](https://appshunter.io/developer/664577169) | [Wolters-MABEG](https://appshunter.io/developer/1743549656) |

## What reviewers say

### Duffel

[App page](https://appshunter.io/ios/app/duffel/id6463021927)

**Features:** Vision Pro support

**In-app purchases:** none


### Open

[App page](https://appshunter.io/ios/app/open-to/id6499463153)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Duffel free?

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

### Is Open free?

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

### Do Duffel or Open have ads?

Neither Duffel nor Open shows ads.

### Which is updated more often, Duffel or Open?

Duffel ships an update fortnightly, and Open every 3 months. Most recently, Duffel was updated on October 15, 2026 and Open on September 29, 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.*