DONIA vs navCenter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DONIA
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.
- Seabed visualization
- Marine information access
- Mooring buoy booking
- User observation sharing
- Navigation preparation and monitoring
- Mooring monitoring with alarms
- Offline mapping
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DONIA – Enjoy & protect the sea, together Donia is the reference app to choose your anchorages and navigate safely while minimizing your impact on the seabed. Join a community of over 100,000 sea enthusiasts who use DONIA to plan and experience their journeys across the Mediterranean and beyond. *** Visualize the seabed and anchor in the right place *** • High-precision mapping of marine habitats (Posidonia, coralligenous reefs, Cymodocea, sand and rock) • Enhanced anchoring assistance with weather conditions • Improved anchor alarm system • Smart selection of anchoring zones adapted to your vessel *** Complete nautical charts *** • Detailed mapping of navigation areas (French Mediterranean, Atlantic, Greece, Andalusia, Liguria, Croatia, Balearics) • Advanced integration of SHOM charts and HD bathymetric layers (Premium) • Optimized map display for real-time navigation *** A community of sailors *** • View and share sea observations • Rating system and favorites • Easy sharing inside and outside the app *** Donia Mooring – connected buoys *** • Connected mooring buoys for vessels over 24m • Dedicated anchoring zones • In-app booking, payment and management *** DONIA Premium *** • Advanced SHOM chart integration • Access to HD bathymetric layers A mission: protecting the sea Created by marine biologists and divers from Andromède Océanologie, DONIA aims to make seabed maps visible and accessible so everyone can contribute to their protection. Inspired by maritime solidarity, the app continuously evolves based on user feedback to become a more innovative, useful and effective anchoring tool. Information Using GPS in the background may significantly reduce battery life. Your subscription renews automatically unless you cancel it at least 24 hours before the end of the current billing period. Payment will be charged to your iTunes account upon confirmation of purchase. You can manage your subscriptions and turn off automatic renewal in your account settings after purchase. Privacy Policy: https://mooring.donia.fr/cgv/donia/cgv-donia-fr.pdf Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
navCenter
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.
- 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
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navCenter (nC) enables your iPhone/iPad/Mac/Watch to operate as a multifunctional display (MFD) for NMEA data (including AIS) and as an autopilot remote control for SeaTalk1™ and SeaTalkNG™ autopilots. navCenter connects to your boats instruments via a WiFi gateway and can handle both NMEA2000 and NMEA0183 formats simultaneously. Information on WiFi gateways can be found here: https://www.guardiandigital.tech/navCenterGatewaysMultiplexers.html navCenter is able to control SeaTalkNG™ and SeaTalk1™ autopilots when partnered with a compatible WiFi multiplexer or Gateway. More information on the autopilot remote control can be found here: https://www.guardiandigital.tech/navCenterAutopilotRemote.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ privacy policy: https://www.guardiandigital.tech/html/privacyPolicy.html
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | DONIA | navCenter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (34 ratings) — better | 4.4 (7 ratings) |
| Positive reviews | 63.3% of reviews | 77.8% of reviews — better |
| Number of ratings | 34 — better | 7 |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 55 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Andromede Oceanologie | GUARDIAN DIGITAL LTD |
Customer experience
DONIA
navCenter
In-app purchases
DONIA
- DONIA® Premium Monthly7 Days trial$2.491 Month
- DONIA® Premium Version7 Days trial$22.991 Year
navCenter
- Subscribed annually$14.991 Year
- Purchased$34.99









