Best apps like Nautical Calculator Pro

9+ similar apps compared and reviewed

4.1 avg rating
8 free apps
Updated September 2026

Nautical Calculator Pro is great, but it's not the only option. Explore 9+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Nautical Calculator Pro

CoNav#1

CoNav by Vladyslav Yarmak

Deck Officer's Tools
Editor's Choice
🗺️ Navigation
4.0(6 ratings)
$6.99
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This app provides essential tools for deck officers, including compass error calculation, celestial navigation, and ETA calculations. It offers offline functionality with precise algorithms for various maritime tasks, such as unit conversion and port information.

CVoyager#2

CVoyager by Vladyslav Yarmak

Route Planner
Strong Contender
🗺️ Navigation
3.5(6 ratings)
FreeIn-App Purchases
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This maritime navigation tool uses advanced algorithms to plot efficient and safe sea routes. It offers ETA calculations, a global port database, and customizable preferences for vessel types and cargo. Designed for maritime professionals, it aims to reduce voyage times and improve fuel efficiency.

Wärtsilä iSailor#3

Wärtsilä iSailor by Wartsila Voyage Sweden AB

World's leading sailing app
Worth Considering
🗺️ Navigation
3.1😐(11 ratings)
FreeIn-App Purchases
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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.

What We Love

  • ✨ Excellent app for navigation
  • 🗺️ Accurate and detailed charts
  • 💰 Good value for money
  • 🛳️ Reliable for offshore sailing
  • 🔍 Helpful features like anchor alarm

Room to Improve

  • 🐛 Crashes and bugs after updates
  • 🔄 Issues with restoring purchased charts
  • 💰 Expensive subscription model for chart updates
  • 🗺️ Missing or incomplete chart data in some regions
  • 🔧 Poor customer support and lack of communication

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4
Tides Planner
Tides Planner
Tides Planner
by FB Imray Laurie Norie & Wilson GmbH
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Access worldwide tidal information for over 8,000 locations without an internet connection. Features include tidal graphs, weekly tables, sunrise/sunset times, and moon phases. Advanced tools help calculate optimal time windows for various water activities.

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B&G: Companion App for Sailors
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Great sailing charts
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This app provides sailors with advanced navigation tools, including detailed charts, route planning, weather forecasts, and marine traffic information. It can be used standalone or synced with compatible onboard electronics for a comprehensive on-water experience.

Detailed C-MAP chartingRoute planning and Autorouting™Marine weather forecasts
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6
Navily
Navily
Navily
Your Cruising Guide
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This app serves as a comprehensive mobile cruising guide for boaters. It offers a vast database of marinas and anchorages, user-generated reviews and photos, and seamless berth booking across Europe. Connect with other users and marinas through in-app chat and receive real-time warnings.

35,000+ marinas and anchorages350,000+ community photos and commentsEasy berth booking in 700+ European marinas
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7
TZ iBoat – Marine Navigation
TZ iBoat – Marine Navigation
TZ iBoat – Marine Navigation
Boat GPS, Charts, AIS, Tides
Free

Navigate the seas with advanced marine charts, GPS, and AIS data, even offline. This app offers detailed bathymetry, community-contributed map data, and dynamic features for safe boating, sailing, and fishing.

Offline marine chartsGPS and route planningAIS Online tracking
🗺️ Navigation
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8
C-MAP: Boating
C-MAP: Boating
C-MAP: Boating
Charts, Planning & Navigation
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Access up-to-date nautical charts for global exploration and planning. Save points of interest and routes, record tracks, and view marine weather. Upgrade for offline maps, GPS, and advanced features like shaded relief and AIS.

Free chart viewerAutoroutingPersonal waypoints
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9
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
GPS Chart Route Sail Powerboat
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Navigate the waters with advanced marine charts, intelligent route planning, and real-time weather and vessel tracking. This app offers offline chart access and can integrate with hardware for a comprehensive boating experience.

Marine chartsIntelligent routingLive AIS tracking
🗺️ Navigation
(389)
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