Cortex Monitor

Name: Cortex Monitor
Rating: 1.8 (18 reviews)
Author: Garmin New Zealand Ltd

By: Garmin New Zealand Ltd App

Remote Vessel Monitoring

Overview

Version:

1.7.14

Last updated: 2025-12-03

Ranking

#459,561 ▼ 2,458

Overall

Features & Capabilities

Vesper Monitor works with your on board Vesper Marine Cortex M1 device to monitor both the built-in Cortex sensors and other sensors on your boat that you connect to your Cortex Hub.

Setup is easy and free
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.
Unlock your Cortex Hub to receive real-time sensor information, alerts and remotely control key circuits like air conditioning, lights or refrigeration.
Once you’ve unlocked your Cortex Hub you can also track your vessel, set geo-fence alarms and use Vesper Marine’s Award Winning smartAIS AnchorWatch to know your boat is safe at anchor.

User Growth & Download Statistics

App

By:

Garmin New Zealand Ltd

Rating:

1.80

(18)

Version:

1.7.14 Last updated: 2025-12-03

Version code:

880302870

Creation date:

2020-08-01

Compatible devices:

Size:

31.97MB

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-07-22

Compare stats and ranking:

Ranking

# 459,561 ▼ 2,458

For Developers

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Contact the developer

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Developed by:

Garmin New Zealand Ltd

Apple Apps Store

https://apps.apple.com/us/app/cortex-monitor/id1456678376

Website:

https://www.garmin.com/en-US/p/916577/pn/010-CORTX-00

User Reviews

User reviews show strong positives for easy installation, remote boat data access, voltage alerts, AIS features, and ongoing updates. However, recurring problems include sign-in friction and white-screen crashes, reliability declines after Garmin’s takeover, location/GPS data issues, and limited documentation or support. Overall sentiment is mixed: solid features and usefulness, but stability and accessibility concerns hinder daily use.

Pros

Easy install and intuitive interface across iPad and iPhone.
Remote boat data access; works well when away from the vessel.
Battery voltage alerts and voltage history.
AIS visibility and the ability to hail a boat by name.
Ongoing improvements with updates.

Cons

Frequent sign-in issues and forced re-authentication; lack of persistent login and no Face ID.
White screen / blank screen on boot or login; app locks up after updates.
Perceived degradation in reliability and support since Garmin acquisition.
Location data permissions and GPS/location errors.
Limited in-app documentation and inconsistent product support.

Recent reviews

Needs documentation. I cannot figure out what the wind direction is try to tell me when I click on 2 hours and 24 hours. The colors have no meaning without documentation. And Garmin tech support has no idea either.