NavNet vs Cortex Onboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NavNet
Access your Furuno NavNet TZtouch series navigation data and fish finder images remotely on your iOS devices. Connect your iPhone, iPad, or iPod to your onboard system for convenient viewing.
- Remote navigation data viewing
- Fish finder image streaming
- iOS device connectivity
- Works with NavNet TZtouch series
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This app works with the Furuno NavNet TZtouch series to see navgation information onboard and Fish Finder images remotely. Get your iOS devices connected to the NavNet TZtouch!
Cortex Onboard
This app allows you to configure and update your marine electronics from your mobile device. Monitor vessel data, receive alerts, and manage features like Anchor Watch from anywhere on board.
- Configure and update Cortex devices
- View AIS information and alerts
- Manage Anchor Watch
- Monitor vessel sensors
- Connect NMEA 2000 instruments
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Cortex Onboard is free with your Cortex. Use it to configure your Cortex Hub and download updates to your Cortex devices with new features and improvements. You can also use Cortex Onboard to receive and manage alerts, view AIS information and instrument data anywhere on board your boat. View out-of-the-box sensors or NMEA 2000 networked instruments. - Setup is easy and free. - Use Cortex Onboard to configure and update your Cortex devices easily. - View AIS information and receive alerts on board direct to your device. - Manage Anchor Watch from the palm of your hand anywhere on board. - Use the Cortex Hub’s built-in sensors for battery level, barometric pressure and boat position. - Connect your Cortex Hub to NMEA 2000, or an external sensor, to add monitoring for wind, depth, bilge high water, temperature, shore power or security. - The Cortex Hub supports up to 10 WiFi devices (includes Handsets).
Screenshots
Verdict
The clearest difference is rating: Cortex Onboard at 3.8 against NavNet's 2.8. Cortex Onboard also leads on review sentiment (56% vs 33%) and update cadence (every 2 months vs every 5 months). NavNet's advantage is iOS requirement (8.0 vs 15.6). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Cortex Onboard holds the better App Store score, 3.8 against 2.8. Both are backed by a comparable volume of ratings — 4 and 12 respectively. Written reviews point the same way: 33% of NavNet's written reviews are positive against 56% of Cortex Onboard's.
NavNet ships an update every 5 months, Cortex Onboard every 2 months. The most recent releases landed on June 5, 2026 and June 7, 2026 respectively.
| Parameter | NavNet | Cortex Onboard |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (4 ratings) | 3.8 (12 ratings) — better |
| Positive reviews | 33.3% of reviews | 55.6% of reviews — better |
| Number of ratings | 4 | 12 — better |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 20 MB | 376 MB |
| Age rating | 4+ | 4+ |
| Developer | 株式会社フルノソフテック | Garmin New Zealand Ltd |
Customer experience
NavNet
Cortex Onboard
In-app purchases
NavNet
No in-app purchases
Cortex Onboard
No in-app purchases
