Best apps like SEA.AI

16+ similar apps compared and reviewed

4.2 avg rating
6 free apps
Updated July 2026

Looking for something like SEA.AI? We've analyzed 16+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

ParcSync: Parking, EV & GPS

ParcSync: Parking, EV & GPS by parcsync

Shared Spots, Earn & Navigate
🗺️ Navigation
5.0(12 ratings)
FreeIn-App Purchases
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Top Alternatives to SEA.AI

EZ Sextant#1

EZ Sextant by Third Reef Software LLC

Navigate without GPS
Editor's Choice
🗺️ Navigation
5.0(4 ratings)
$24.99
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Navigate open waters using your phone's camera to sight celestial bodies. This app plots lines of position and combines them for an estimated location on a lat/lon grid. It's a powerful tool for offshore navigation without relying on GPS.

WilhelmSK#2

WilhelmSK by Scott Bender

Strong Contender
🗺️ Navigation
4.5(28 ratings)
$19.99
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This app provides a customizable dashboard for monitoring and controlling boat systems. It integrates with various marine electronics and offers features like alarm notifications, autopilot control, and chart display.

EZ Celestial Navigation#3

EZ Celestial Navigation by EZ Celestial LLC

ezAlmanacOne
Worth Considering
🗺️ Navigation
4.9(19 ratings)
$29.99
#34in Navigation
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This app simplifies celestial navigation using a sextant, providing tools to calculate your position at sea. It offers automated calculations or manual table access, with features for observation archiving and compass checks. Ideal for learning and practicing traditional navigation methods.

More apps like SEA.AI

4
Watt And Sea
Watt And Sea
Watt And Sea
Hydrogenerator Monitoring App
Free

Monitor your hydrogenerator's performance in real-time. Connect via Bluetooth to view current, voltage, and status. Record and share data logs, and access a knowledge base for troubleshooting.

Real-time data monitoring (current, voltage, status)Bluetooth connectivityData logging and sharing
🗺️ Navigation
(0)
free
5
NMEAremote
NMEAremote
NMEAremote
by zapfware
$23.99

This app provides real-time marine data from your ship's navigation system directly to your mobile device. Monitor navigation, wind, and depth information at a glance for enhanced safety and performance on the water.

Real-time marine data displaySupports NMEA 0183, NMEA 2000, SignalKCustomizable dashboard
🗺️ Navigation
(8)
paid
6
NavLink HD
NavLink HD
NavLink HD
Marine Navigation and Charts
Free

Transform your Apple device into a comprehensive chart plotter for marine navigation. Access real-time GPS, AIS overlays, and route planning tools. Unlock advanced features like live internet AIS feeds and augmented reality through in-app purchases.

Real-time GPS plottingLive AIS ship overlayWaypoint and route planning
🗺️ Navigation
(11)
free with in-app purchases
7
WatchMate
WatchMate
WatchMate
by Garmin New Zealand Ltd
Free

This app provides remote control and situational awareness for your Vesper Marine AIS Transponder. View AIS targets, manage alarms, and control transponder settings directly from your mobile device.

View AIS targetsManage collision prevention alarmsControl Anchor Watch alarm
🗺️ Navigation
(11)
free
8
Sentinel - Your boat, online
Sentinel - Your boat, online
Sentinel - Your boat, online
Monitor & Control your boat
Free

Monitor your boat's position and vital systems remotely. Receive alerts for unexpected changes like bilge activity or low battery voltage. Control onboard systems and share your trips with others.

Real-time boat position monitoringVital systems alerts (bilge, battery, anchor)Virtual anchor with movement alerts
🗺️ Navigation
(42)
free with in-app purchases
9
NavNet - Remote
NavNet - Remote
NavNet - Remote
by 株式会社フルノソフテック
Free

View and control your Furuno NavNet TZtouch series display on your iPad. This app allows for remote operation of the navigation system, with iPhone and iPod touch devices supporting viewing only.

View NavNet TZtouch screen on iOS devicesControl NavNet TZtouch from iPadRemote navigation system operation
🗺️ Navigation
(11)
free
10
CamSextant
CamSextant
CamSextant
by Omar reis
Free

This app functions as a celestial navigation tool, enabling users to take altitude measurements of celestial bodies using their phone. It provides real-time star and planet identification, automatic astronomical position calculations, and a perpetual nautical almanac.

Celestial object altitude measurementReal-time star and planet identificationAutomatic astronomical position calculation
🗺️ Navigation
(6)
free