# ZOWIAC vs Robben.App Pro

ZOWIAC and Robben.App Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

ZOWIAC ships an update every 10 months, Robben.App Pro every 5 months. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ZOWIAC | Robben.App Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 months** |
| Size | 36 MB | 46 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ajdin Skaljic](https://appshunter.io/developer/1620114303) | [Landesbetrieb fuer Kuestenschutz, Nationalpark und Meeresschutz Schleswig-Holstein](https://appshunter.io/developer/1705383767) |

## What reviewers say

### ZOWIAC

[App page](https://appshunter.io/ios/app/zowiac/id1620114301)

**Features:** macOS Compatibility

**In-app purchases:** none


### Robben.App Pro

[App page](https://appshunter.io/ios/app/robbenapp-pro/id6464050298)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZOWIAC free?

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

### Is Robben.App Pro free?

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

### Do ZOWIAC or Robben.App Pro have ads?

Neither ZOWIAC nor Robben.App Pro shows ads.

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

ZOWIAC ships an update every 10 months, and Robben.App Pro every 5 months. Most recently, ZOWIAC was updated on October 11, 2026 and Robben.App Pro on October 16, 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.*