Best Ez Nautical Almanac Apps

121+ iOS apps curated and reviewed

4.5 avg rating
16 free apps
Updated July 2026

Every iPhone needs a few good ez nautical almanac apps. We benchmark 121+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Ez Nautical Almanac

EZ Nautical Almanac#1

EZ Nautical Almanac by EZ Celestial LLC

ezNA
Editor's Choice
🗺️ Navigation
5.0(5 ratings)
$9.99
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Access 100 years of nautical almanac data digitally, from 1960 to 2059. This app offers enhanced navigation features like instant page access, highlighting, and zoom, supporting celestial navigation activities offline.

EZ Celestial Navigation#2

EZ Celestial Navigation by EZ Celestial LLC

ezAlmanacOne
Strong Contender
🗺️ Navigation
4.9(19 ratings)
$29.99
#49in 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.

Nautical Calculator Preview#3

Nautical Calculator Preview by The Vu Cong

Nautical Calculator Preview
Worth Considering
🗺️ 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.

More Ez Nautical Almanac apps to explore

4
PRO CHARTS - Marine Navigation
PRO CHARTS - Marine Navigation
PRO CHARTS - Marine Navigation
by MiraTrex, Inc
Free

Navigate marine environments with detailed nautical charts and route planning. Track your location, find friends on the water, and share your trip details for safety. Offline chart access ensures reliable navigation even without an internet connection.

High-resolution NOAA nautical chartsOffline chart accessWaypoint and route creation
🗺️ Navigation
(8.5K)
free with in-app purchases
5
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
Lake Maps & Fishing Spots
Free

Navigate waterways with detailed marine charts and GPS. Features include route planning, voice-guided navigation, tide and current predictions, and track recording. Offers extensive map coverage for various regions and inland rivers.

Detailed vector marine chartsRoute planning and editingVoice-guided navigation
🗺️ Navigation
(14K)
free with in-app purchases
6
PredictWind — Marine Forecasts
PredictWind — Marine Forecasts
PredictWind — Marine Forecasts
#1 in Marine Weather Forecasts
Free

Get accurate marine weather forecasts and powerful tools for wind, waves, and currents. Plan your trips with routing and departure planning features, and stay informed with live observations and alerts. Ideal for all marine activities.

Accurate marine weather forecastsWind, wave, and current dataWeather routing and departure planning
☀️ Weather
(33K)
free with in-app purchases
7
Nautical Charts & Maps
Nautical Charts & Maps
Nautical Charts & Maps
Nautical Charts & Marine Maps
$8.99

Access NOAA Electronic Navigational Charts (ENC) for offline marine navigation. View detailed information like buoys, depths, and port features. Overlay NOAA weather maps including radar, sea temperature, and wind data.

NOAA Electronic Navigational Charts (ENC)Offline chart downloadsDetailed chart information
🗺️ Navigation
(3.8K)
free
8
Aqua Map Boating
Aqua Map Boating
Aqua Map Boating
Marine navigation and fishing
Free

This app provides official, weekly updated nautical charts for marine navigation. It allows for offline map downloads, GPS track recording, and integration with onboard instruments. Enhance your boating safety and experience with advanced features like weather forecasts and AIS collision detection.

Official NOAA nautical chartsOffline map downloadsGPS track recording
🗺️ Navigation
(13K)
free with in-app purchases
9
iNavX: Marine Navigation
iNavX: Marine Navigation
iNavX: Marine Navigation
Sailing & Boating Chartplotter
Free

This app provides comprehensive marine navigation tools, including worldwide chart coverage, weather forecasts, and AIS integration. It allows users to plan routes, track their position, and connect with onboard instruments for a complete boating experience.

Worldwide marine chart accessReal-time GPS plottingWaypoint and route management
🗺️ Navigation
(21K)
free with in-app purchases
10
Simrad: Companion for Boaters
Simrad: Companion for Boaters
Simrad: Companion for Boaters
Great nautical charts
Free

This app provides boaters with detailed nautical charts, weather forecasts, and route planning tools. It offers GPS navigation, track recording, and points of interest, with premium features like offline maps and advanced charting available through subscription.

Detailed nautical chartsMarine weather forecastsRoute planning with Autorouting™
🗺️ Navigation
(2.3K)
free with in-app purchases
11
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
(831)
free with in-app purchases
12
Navionics® Boating
Navionics® Boating
Navionics® Boating
Nautical and fishing charts
Free

Access detailed nautical charts and advanced boating features offline on your mobile device. Plan trips with dock-to-dock guidance, check weather and tides, and connect with a community of boaters. Ideal for cruising, fishing, sailing, and diving.

Offline nautical chartsHD bathymetry mapsDock-to-dock route planning
🗺️ Navigation
(2.3K)
free with in-app purchases
13
i-Boating: USA Marine Charts
i-Boating: USA Marine Charts
i-Boating: USA Marine Charts
Nautical + Lake Contour Maps
$29.99

This app provides detailed marine and lake navigation charts, including NOAA vector charts, USACE inland river maps, and contour maps for anglers. It offers advanced GPS features like voice-prompted route assistance, track recording, and tide/current predictions for safe and efficient boating.

NOAA marine vector chartsFreshwater lake contour mapsVoice-prompted route assistance
🗺️ Navigation
(179)
free with in-app purchases
14
ActiveCaptain®
ActiveCaptain®
ActiveCaptain®
Connect to Your GPS Plotter
Free

This app connects your mobile device to compatible Garmin chartplotters, enabling wireless chart and map transfers, software updates, and route planning. It also provides access to a community of boaters for reviews and information on marinas and points of interest.

Wireless chart and map transferRoute and waypoint planningActiveCaptain Community for POI reviews
🗺️ Navigation
(4.9K)
free with in-app purchases
15
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
GPS Chart Route Sail Powerboat
Free

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
(318)
free with in-app purchases
16
Marine Traffic Vessel Finder
Marine Traffic Vessel Finder
Marine Traffic Vessel Finder
Marine Navigation & Weather
Free

Access real-time ship positions, routes, and detailed vessel information globally. Track vessel history, view port details, and monitor weather conditions on an interactive map. Organize your tracked vessels and ports with a personal fleet.

Real-time ship positions and routesDetailed vessel profilesGlobal AIS data coverage
🗺️ Navigation
(449)
free with in-app purchases
17
Buoyweather - Marine Forecasts
Buoyweather - Marine Forecasts
Buoyweather - Marine Forecasts
Accurate Marine Weather
Free

Get detailed marine weather forecasts for offshore fishing and boating. Plan your trips with wind, wave, and tide predictions up to 16 days out. Visualize ocean conditions with high-resolution charts and a proprietary wave forecast model for enhanced accuracy.

16-day weather, wind, wave, and tide forecastsSave unlimited favorite forecast pointsHigh-res wind, swell, and sea surface temperature charts
☀️ Weather
(744)
free with in-app purchases
18
Nautical Rules
Nautical Rules
Nautical Rules
Master the Rules of the Road
Free

Master USCG Navigation Rules with a comprehensive question bank and smart study features. Track your progress, practice for exams, and study offline to navigate with confidence.

1,200+ practice questionsInland and International waters coverageDetailed explanations
🗺️ Navigation
(4)
free
19
Waterway Guide
Waterway Guide
Waterway Guide
Trusted Boating Resource
Free

This app provides a comprehensive boating resource with a verified database of marinas, anchorages, and navigation alerts. Users can access real-time hazard information, plan trips with a digital handbook, and utilize detailed content optimized for mobile devices. Engage with a community of boaters through comments and reviews.

Verified points of interest databaseReal-time navigation alertsCommunity comments and reviews
🗺️ Navigation
(2.8K)
free with in-app purchases
20
Boat Watch - Ship Tracking
Boat Watch - Ship Tracking
Boat Watch - Ship Tracking
Ferry, cargo & cruise ships
Free

Track ships and boats globally in real-time. Identify vessels, view their details, and receive alerts for arrivals and departures. Explore nautical charts and use augmented reality for an enhanced viewing experience.

Real-time AIS ship trackingVessel identification and detailsFavorite boat tracking
✈️ Travel
(3.7K)
free with in-app purchases