# DONIA vs navCenter

DONIA and navCenter both sit at 4.5 stars, but that hides the real split: 78% of navCenter's written reviews are positive against 63% of DONIA's. DONIA's advantage is ratings volume (34 vs 7). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. DONIA sells 2 in-app purchases, starting at $2.49 per month and navCenter sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for DONIA against 4.4 for navCenter. Both are backed by a comparable volume of ratings — 34 and 7 respectively. Written reviews are what separate them: 63% of DONIA's written reviews are positive against 78% of navCenter's.

DONIA ships an update every 4 weeks, navCenter monthly. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | DONIA | navCenter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (34 ratings)](https://appshunter.io/ios/app/donia/id751225905/reviews)** | [4.4 (7 ratings)](https://appshunter.io/ios/app/navcenter/id1580038607/reviews) |
| Number of ratings | **34** | 7 |
| Positive reviews | 63.3% of reviews | **77.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 55 MB | 26 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Andromede Oceanologie](https://appshunter.io/developer/740679172) | [GUARDIAN DIGITAL LTD](https://appshunter.io/developer/1447117134) |

## 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 |


### navCenter

[App page](https://appshunter.io/ios/app/navcenter/id1580038607)

This app transforms your Apple devices into a multifunctional display for marine navigation data, including NMEA and AIS. It also provides autopilot remote control capabilities for compatible systems, connecting via a WiFi gateway.

**Highlights:** NMEA and AIS data display, Autopilot remote control, SeaTalk1™ and SeaTalkNG™ compatibility, WiFi gateway connection, NMEA2000 and NMEA0183 format support, Multifunctional display for iPhone, iPad, Mac, and Watch

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribed annually | $14.99 | per year |
| Purchased | $34.99 | one-time |


## Frequently asked questions

### Is DONIA free?

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

### Is navCenter free?

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

### Which has better reviews, DONIA or navCenter?

DONIA is rated higher. DONIA averages 4.5 out of 5 from 34 ratings, while navCenter averages 4.4 from 7 ratings.

### Do DONIA or navCenter have ads?

Neither DONIA nor navCenter shows ads.

### Which is updated more often, DONIA or navCenter?

DONIA ships an update every 4 weeks, and navCenter monthly. Most recently, DONIA was updated on October 14, 2026 and navCenter on October 5, 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.*