Best Binnacle alternatives: apps like Binnacle: Nautical Calculator

9+ similar apps compared and reviewed

4.3 avg rating
9 free apps
Updated October 2026

Looking for something like Binnacle? We've analyzed 9+ 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.

Top Alternatives to Binnacle

Navigation Almanac#1

Navigation Almanac by Vladyslav Zenchenko

Celestial navigation offline
Editor's Choice
🗺️ Navigation
5.0(3 ratings)
Free
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This app provides a comprehensive offline celestial navigation toolkit. It calculates celestial body positions, sunrise/set times, and sky charts. It also offers tools for compass error correction and position fixing, all without requiring an internet connection.

Nautical Calculator Preview#2

Nautical Calculator Preview by The Vu Cong

Nautical Calculator Preview
Strong Contender
🗺️ Navigation
5.0(1 ratings)
FreeAds
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This app provides comprehensive tools for marine navigation, including real-time ship movement, route planning, and advanced sailing calculations. It also offers features for collision avoidance, maneuvering, and learning maritime regulations and signaling.

Celestial Nav#3

Celestial Nav by Skytip LLC

Modern Celestial Navigation
Worth Considering
🗺️ Navigation
4.3(10 ratings)
FreeIn-App Purchases
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This app provides tools for celestial navigation, offering computations for celestial bodies and sight reductions. It includes an offline perpetual almanac and allows for quick capture of observation data for accurate course adjustments.

More apps like Binnacle

4
Celestial Navigator
Celestial Navigator
Celestial Navigator
by Omar reis
Free

This app assists with celestial navigation training by providing a perpetual almanac, star finder chart with animation, and tools for calculating lines of position and meridian passages. It can utilize device sensors for real-time chart positioning, though a marine sextant is still required for actual navigation.

Perpetual almanacAnimated star finder chartLine of position calculation
🗺️ Navigation
(5)
free
5
CamSextant
CamSextant
CamSextant
Sextant & Celestial Navigation
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
(7)
free
6
SEAiq Pilot
SEAiq Pilot
SEAiq Pilot
#1 App for Pro Marine Pilots
Free

This navigation app provides advanced charting and real-time vessel data for professional marine pilots. It supports various chart formats and external NMEA/AIS devices, offering features like predicted vessel display and docking aids. A free trial is available, with an in-app purchase for permanent access.

S-57, S-63, iENC, BSB/KAP chart supportExternal NMEA/AIS over WiFiPredicted vessel display
🗺️ Navigation
(453)
free with in-app purchases
7
hiFleet
hiFleet
hiFleet
Global ship tracking
Free

Track over a million ships globally with real-time AIS positioning and daily updates. Access nautical charts, replay ship trajectories, and view detailed ship information. Plan routes, simulate voyages, and receive alerts for fleet management.

Global ship AIS positioningWeekly updated nautical charts3-month ship trajectory replay
🗺️ Navigation
(2)
free
8
Wärtsilä iSailor
Wärtsilä iSailor
Wärtsilä iSailor
World's leading sailing app
Free

This marine navigation app offers clear presentation of navigational information and electronic charts for amateur seafarers. It supports accurate TX-97 vector charts and provides various optional services like weather and AIS data.

Electronic chart displayGPS and AIS integrationRoute creation and monitoring
🗺️ Navigation
(12)
free with in-app purchases
9
SeaNav
SeaNav
SeaNav
Marine Charts and Navigation
Free

This app provides high-resolution marine charts, route planning, and real-time navigation for boaters. It offers features like AIS ship tracking, tide and weather information, and offline chart access. Advanced capabilities include augmented reality views and autopilot integration.

High-resolution marine chartsAutoroute planningReal-time GPS navigation
🗺️ Navigation
(251)
free with in-app purchases