# DONIA vs Metro Dusseldorf Map

The clearest difference is price: DONIA at Free against Metro Dusseldorf Map's $0.99. DONIA also leads on iOS requirement (15.0 vs 26.2). Metro Dusseldorf Map's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

DONIA is free to download; Metro Dusseldorf Map costs $0.99 up front. DONIA sells 2 in-app purchases, starting at $2.49 per month. Metro Dusseldorf Map asks for nothing beyond the download.

## The numbers

| Metric | DONIA | Metro Dusseldorf Map |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (34 ratings)](https://appshunter.io/ios/app/donia/id751225905/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 63.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Monetization | Freemium | — |
| Size | 55 MB | 5 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andromede Oceanologie](https://appshunter.io/developer/740679172) | [Razvan IVAN](https://appshunter.io/developer/733451937) |

## What reviewers say

### DONIA

[App page](https://appshunter.io/ios/app/donia/id751225905)

This app provides detailed seabed visualization and marine information for safe and respectful sea navigation. It allows users to book mooring buoys, share observations, and monitor their vessels. Access premium features like high-definition charts for enhanced planning and exploration.

**Highlights:** Seabed visualization, Marine information access, Mooring buoy booking, User observation sharing, Navigation preparation and monitoring, Mooring monitoring with alarms, Offline mapping

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DONIA® Premium Monthly | $2.49 | per month |
| DONIA® Premium Version | $22.99 | per year |


### Metro Dusseldorf Map

[App page](https://appshunter.io/ios/app/metro-dusseldorf-map/id6760111436)

**In-app purchases:** none


## Frequently asked questions

### Is DONIA free?

DONIA is free to download, with in-app purchases available.

### Is Metro Dusseldorf Map free?

Metro Dusseldorf Map costs $0.99, with no in-app purchases.

### Do DONIA or Metro Dusseldorf Map have ads?

Neither DONIA nor Metro Dusseldorf Map shows ads.

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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.*