# Robben.App vs DokuPortal

The clearest difference is update cadence: DokuPortal at every 3 months against Robben.App's every 6 months. Robben.App's advantage is iOS requirement (16.4 vs 26.0). 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.

Robben.App ships an update every 6 months, DokuPortal every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Robben.App | DokuPortal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Size | 51 MB | 8 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Landesbetrieb fuer Kuestenschutz, Nationalpark und Meeresschutz Schleswig-Holstein](https://appshunter.io/developer/1705383767) | [Thomas Entner](https://appshunter.io/developer/465337675) |

## What reviewers say

### Robben.App

[App page](https://appshunter.io/ios/app/robbenapp/id6464050244)

**Features:** Vision Pro support

**In-app purchases:** none


### DokuPortal

[App page](https://appshunter.io/ios/app/dokuportal/id6756882567)

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

**In-app purchases:** none


## Frequently asked questions

### Is Robben.App free?

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

### Is DokuPortal free?

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

### Do Robben.App or DokuPortal have ads?

Neither Robben.App nor DokuPortal shows ads.

### Which is updated more often, Robben.App or DokuPortal?

Robben.App ships an update every 6 months, and DokuPortal every 3 months. Most recently, Robben.App was updated on November 3, 2026 and DokuPortal on October 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.*