# NavNet vs Cortex Onboard

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.

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 October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | NavNet | Cortex Onboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (4 ratings)](https://appshunter.io/ios/app/navnet-viewer/id502473092/reviews) | **[3.8 (12 ratings)](https://appshunter.io/ios/app/cortex-onboard/id1483406085/reviews)** |
| Number of ratings | 4 | **12** |
| Positive reviews | 33.3% of reviews | **55.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 20 MB | 376 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社フルノソフテック](https://appshunter.io/developer/1015812767) | [Garmin New Zealand Ltd](https://appshunter.io/developer/557485484) |

## What reviewers say

### NavNet

[App page](https://appshunter.io/ios/app/navnet-viewer/id502473092)

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.

**Highlights:** Remote navigation data viewing, Fish finder image streaming, iOS device connectivity, Works with NavNet TZtouch series

**Features:** macOS Compatibility

**In-app purchases:** none


### Cortex Onboard

[App page](https://appshunter.io/ios/app/cortex-onboard/id1483406085)

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.

**Highlights:** Configure and update Cortex devices, View AIS information and alerts, Manage Anchor Watch, Monitor vessel sensors, Connect NMEA 2000 instruments

**In-app purchases:** none


## Frequently asked questions

### Is NavNet free?

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

### Is Cortex Onboard free?

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

### Which has better reviews, NavNet or Cortex Onboard?

Cortex Onboard is rated higher. NavNet averages 2.8 out of 5 from 4 ratings, while Cortex Onboard averages 3.8 from 12 ratings.

### Do NavNet or Cortex Onboard have ads?

Neither NavNet nor Cortex Onboard shows ads.

### Which is updated more often, NavNet or Cortex Onboard?

NavNet ships an update every 5 months, and Cortex Onboard every 2 months. Most recently, NavNet was updated on October 24, 2026 and Cortex Onboard on October 13, 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.*