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Preview 3 platforms
iPhone 10 images
iPad 10 images
Apple Watch 6 images
What’s New Version 5.5.5
Improvements to Auto-routing
Description
SeaNav combines high-resolution marine charts, route planning and real-time navigation in one simple boating app for your iPhone, iPad and Apple Watch.
Charts, Autoroute planning, AIS ship tracking, tides and weather in one powerful and affordable navigation app.
Built from official hydrographic data with extensive coverage across North America, Europe and Australia.
Professional marine navigation features including:
Planning
• Create and edit routes with auto-routing for creating waypoints
• Measure distance & bearing
• Import & export GPX routes
• Tides, Streams & Weather
• Works offline
Navigate with Confidence
• Real-time GPS navigation
• Course Up & North Up modes
• ETA, XTE, VMG, SOG & COG
• Sailing HUD display
• Background navigation
• Automatic Waypoint advancing & alerts
Live AIS & Safety (Optional IAP)
• Real-time AIS ship positions
• Collision alarms
• AIS position sharing
• Internet AIS integration
• Free AIS when used with Boat Beacon
• MOB and Anchor alarm (IAP)
- NMEA Link for Depth, Wind & AutoPilot
- Real time local wind feed and Sailing laylines display (IAP)
Alongside this SeaNav offers advanced onboard capabilities rarely found in a single app:
Apple Watch app
SeaNav for Apple Watch is included at no extra cost, giving you route data, key navigation information and quick access controls directly from your wrist.
Sophisticated AIS Display and Position sharing
The leader in the field with global coverage and clear, information-rich vessel tracking with intelligent filtering and collision prediction tools.
CPA and TCPA alerts help you assess risk early and act confidently.
Augmented Reality View
Overlays navigation, AIS and chart data directly onto the real-world camera view for intuitive situational awareness.
Includes night mode support for compatible thermal cameras such as FLIR.
SeaNav Autoroute and Autopilot Integration
- Just choose where you want to go and SeaNav will create the route for you
- Go one step further and let SeaNav pilot the route with compatible autopilot systems from Raymarine, SIMRAD, Lowrance and B&G
SeaNav comes with a built-in tutorial mode with free access to all features including charts, AIS, AR & wind
The free version includes all navigation and trip planning tools. High resolution vector charts are available by In App Purchase (IAP) including updates for 12 months.
Requirements:
GPS only required for real time route navigation. Optional Real time AIS, Tides and Weather information require an active internet connection.
WiFi-only iPad will need an external GPS receiver for navigation.
Please note that continued use of GPS running in the background can dramatically decrease battery life.
Subscriptions
Our in-app purchases are 1 year subscriptions, which automatically renew at the end of the subscription period unless auto-renew is turned off at least 24-hours before the end of the current period. Payment will be charged to your iTunes Account at confirmation of purchase, and will be charged for renewal within 24-hours prior to the end of the current period.
Subscriptions may be managed by the iTunes account holder and auto-renewal may be turned off by going to Account Settings after purchase.
No cancellation of the current subscription is allowed during active subscription period.
NOTICES: This product has been derived in part from material obtained from the UK Hydrographic Office with the permission of the UK Hydrographic Office, Her Majesty’s Stationery Office.” “© British Crown Copyright, [2026]. All rights reserved.
The UK Hydrographic Office (UKHO) and its licensors make no warranties or representations, express or implied, with respect to this product. The UKHO and its licensors have not verified the information within this product or quality assured it.
Terms of Use: http://seanav.net/termsofuse.php
Privacy Policy: http://seanav.net/privacy.php
Support: help@pocketmariner.com
In-App Purchases US pricing
Canadian Charts Subscription
Yearly$26.99
French Charts Subscription
Yearly$24.99
NOAA US Raster Charts Subscription
Yearly$9.99
Pro Features Subscription
Yearly$10.49
UK & IE Charts Subscription
Yearly$24.99
US Charts Subscription
Monthly$9.99
Yearly$19.99
Weather forecasts Subscription
Weather charts · Yearly$4.99
One-Time Purchases
Man Overboard & Anchor Watch$4.99
Pro Features$14.99
Capabilities
In-App Purchases
Accessibility
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Version history 25 versions
Build 885712008v5.5.52026-05-18 10:55:06
Improvements to Auto-routing
Build 884642618v5.5.42026-04-24 16:22:44
Autopilot autotracking option added.
Large own boat symbol option
Hybrid satellite mode now has transparent green depth area ( > 0)
Fix for Autopilot APB message error
Build 884400474v5.5.32026-04-14 06:50:38
Update for US NOAA paper charts and iPad map/satellite mode switching
Build 883929470v5.5.22026-03-31 15:47:23
SeaNav autoroute:
Set start and end point for a route and let SeaNav propose a route and waypoints.
SeaNav AutoPilot:
Navigate routes automatically. SeaNav can now remotely control Raymarine and Navico/Simrad/Lowrance Auto tillers and helms. You can also use the free SeaNav Apple Watch app to control a Raymarine autohelm and tiller from your wrist.
Build 882980138v5.5.12026-03-16 09:34:53
SeaNav autoroute:
Set start and end point for a route and let SeaNav propose a route and waypoints.
SeaNav AutoPilot:
Navigate routes automatically. SeaNav can now remotely control Raymarine and Navico/Simrad/Lowrance Auto tillers and helms. You can also use the free SeaNav Apple Watch app to control a Raymarine autohelm and tiller from your wrist.
Build 878656055v5.52026-01-20 10:38:01
SeaNav AutoPilot
Navigate routes automatically . SeaNav can now remotely control Raymarine and Navico/Simrad/Lowrance Auto tillers and helms.
You can also use the free SeaNav Apple Watch app to control the autopilot and tiller from your wrist.
Route to first waypoint or Goto Waypoint now draws with a dotted blue line.
Waypoint skipping option added (see Advanced Settings):-
• Standard route navigation: Leg is from previous → next waypoint.
• Direct-to navigation (default): Leg is from current position → next waypoint.
Improvements to Cross Track Error (XTE) calculations and display
Support for latest FLIR Infra-Red cameras for AR mode
Build 878333371v5.4.202025-09-24 09:04:45
Ruler line UI improvement for iOS26
Battery indicator
Build 876099128v5.4.192025-07-16 08:33:30
Improved ruler UI :- endpoints now easier to select & drag and magnifier view added to show what's under your finger for more exact placement.
Improvements to offline handling.
Build 874238434v5.4.182025-04-24 08:58:47
Marine Charts for the whole of Italy (IT) and Sweden (SE) added.
Swedish and Italian language support added.
Chart update improvement
Build 873308051v5.4.172025-03-20 15:46:53
Improvements for working offline (no internet).
AIS, GPS & NMEA Link (local AIS) now supports newer versions of the AIS standard.
Build 872782646v5.4.152025-03-04 09:01:35
Man overboard (MOB) and Anchor Watch features added (IAP).
-Anchor Watch alerts if drifted more than the anchor length or dirfts at more than 1 Knot
-MOB and Anchor buttons on the mainscreen top left (can be turned off in settings)
-MOB distance, bearing and time in water displayed
-MOB takes priority over Anchor Watch
-Anchor Watch also provides an email alert with a map
-SeaNav remains in sailing mode when MOB or Anchor are cleared.
- Check the userguide for more information about using Anchor Watch and Man Overboard
Build 872206493v5.4.142025-02-10 10:48:08
Tidal Currents for the whole of the US and Alaska added. Over 20,000 US tidal stream locations. Look for the red and blue diamonds ( red flood tide, blue ebb tide). Current US chart subscription required. Nearby Tide levels for the whole of the US also available via a long press anywhere on the US charts.
Build 871236614v5.4.132024-12-19 14:19:38
Update for ios18.2
Bermuda and British Virgin Island charts added
Raster charts for Finland, Estonia and New Zealand re-instated
Build 870735572v5.4.122024-12-09 10:17:01
Chart measurement units now have option for Kts,mph,kmh,meters and feet (Advanced settings)
UI improvements
Updates for iOS18.1
Build 869870443v5.4.112024-10-22 11:11:37
Australian Marine charts now available including demo with charts and demo route sailing on the Sunshine Coast.
Build 869539267v5.4.102024-10-08 05:00:58
French Tides and Tidal Streams now available
UI Improvements and fixes
Previous version:-
-Quick Link to Boat Beacon button added (top right) - Boat Beacon also has a quick link back to SeaNav
-Request to launch Boat Beacon on start sailing now defaulted to not show( re-enable in Advanced settings or just use the new Boat Beacon quick link button).
-iPhone landscape mode now displays current time again
-iPad instruments side panel in landscape displays time
-SART TEST targets no longer fire an alarm
-Weather map now scrolls up and down
-French . German & Spanish language support added
Build 866505596v5.4.92024-06-12 10:09:02
UI Improvements and fixes
-Quick Link to Boat Beacon button added (top right) - Boat Beacon also has a quick link back to SeaNav
-Request to launch Boat Beacon on start sailing now defaulted to not show( re-enable in Advanced settings or just use the new Boat Beacon quick link button).
-iPhone landscape mode now displays current time again
-iPad instruments side panel in landscape displays time
-SART TEST targets no longer fire an alarm
-Weather map now scrolls up and down
-French . German & Spanish language support added
Build 866169459v5.4.82024-05-30 08:49:55
Added Watch complication for SeaNav so you can launch SeaNav from the clock face.
Fix for instruments crashing when dismissed on iPhone
Build 865954631v5.4.72024-05-16 13:57:32
Fix for viewing routes on older iPads on pre iOS16.
Build 864736188v5.4.62024-03-28 10:21:09
Fixes and Updates for latest iPad iOS support.
Build 860766880v5.4.52023-10-19 08:44:21
Charts for the whole of France and Portugal now available
Fix for start up problems on iOS 17 when trying to load the charts.
Build 859155871v5.4.42023-08-15 09:47:35
Charts for the whole of France and Portugal now available
Fix for updatable charts that have not been updated not displaying if SeaNav is not connected to the internet.
Build 855922174v5.4.32023-04-26 08:54:12
DE,DK and NL demo routes and charts added
Multilignual support for UserGuide and FAQ
My Boat Details type can now be set - e.g. Sailing, Fishing, Pleasure, Diving etc.
Easier to see My Boat icon with boat type colour
Bridges, Shoreline and Traffic zones UI improvements
Fix for S.Cardinal light patterns
User guide and FAQ can now be read when offline too
Fix for route traversing international dateline
Build 855478284v5.4.22023-03-15 11:10:18
Trial charts and routes added for Denmark, Germany and the Netherlands.
User guide and FAQ now available in multiple languages.
My Boat Details now lets you set the type - e.g. Sail, Pleasure, Fishing.
Own boat icon now bigger so more easily viewed and colour shows boat type.
Bridges, Shoreline and Traffic zones UI improvements
Flashing light patterns updated for South Cardinals
Build 849498483v5.4.12022-07-05 18:50:57
stability improvements
Price history by region
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| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
US | en-US | Free | 241 | 4.4 | 5.5.5 |
Change log 29 changes · US
✎
releaseNotes updated
Improvements to Auto-routing
✎
description updated
SeaNav combines high-resolution marine charts, route planning and real-time navigation in one simple boating app for your iPhone, iPad and Apple Watch.
Charts,
✎
subtitle updated
Marine Charts and Navigation
✎
name updated
SeaNav
◆
Version 5.5.5 released
Improvements to Auto-routing
◆
Version 5.5.4 released
Autopilot autotracking option added.
Large own boat symbol option
Hybrid satellite mode now has transparent green depth area ( > 0)
Fix for Autopilot APB message error
◆
Version 5.5.3 released
Update for US NOAA paper charts and iPad map/satellite mode switching
◆
Version 5.5.2 released
SeaNav autoroute:
Set start and end point for a route and let SeaNav propose a route and waypoints.
SeaNav AutoPilot:
Navigate routes automatically. SeaNav can now remotely control Raymarine and Navico/Simrad/Lowrance Auto tillers and h
◆
Version 5.5.1 released
SeaNav autoroute:
Set start and end point for a route and let SeaNav propose a route and waypoints.
SeaNav AutoPilot:
Navigate routes automatically. SeaNav can now remotely control Raymarine and Navico/Simrad/Lowrance Auto tillers and h
◆
Version 5.5 released
SeaNav AutoPilot
Navigate routes automatically . SeaNav can now remotely control Raymarine and Navico/Simrad/Lowrance Auto tillers and helms.
You can also use the free SeaNav Apple Watch app to control the autopilot and tiller from your w
◆
Version 5.4.20 released
Ruler line UI improvement for iOS26
Battery indicator
◆
Version 5.4.19 released
Improved ruler UI :- endpoints now easier to select & drag and magnifier view added to show what's under your finger for more exact placement.
Improvements to offline handling.
◆
Version 5.4.18 released
Marine Charts for the whole of Italy (IT) and Sweden (SE) added.
Swedish and Italian language support added.
Chart update improvement
◆
Version 5.4.17 released
Improvements for working offline (no internet).
AIS, GPS & NMEA Link (local AIS) now supports newer versions of the AIS standard.
◆
Version 5.4.15 released
Man overboard (MOB) and Anchor Watch features added (IAP).
-Anchor Watch alerts if drifted more than the anchor length or dirfts at more than 1 Knot
-MOB and Anchor buttons on the mainscreen top left (can be turned off in settings)
-MOB d
◆
Version 5.4.14 released
Tidal Currents for the whole of the US and Alaska added. Over 20,000 US tidal stream locations. Look for the red and blue diamonds ( red flood tide, blue ebb tide). Current US chart subscription required. Nearby Tide levels for the whole of
◆
Version 5.4.13 released
Update for ios18.2
Bermuda and British Virgin Island charts added
Raster charts for Finland, Estonia and New Zealand re-instated
◆
Version 5.4.12 released
Chart measurement units now have option for Kts,mph,kmh,meters and feet (Advanced settings)
UI improvements
Updates for iOS18.1
◆
Version 5.4.11 released
Australian Marine charts now available including demo with charts and demo route sailing on the Sunshine Coast.
◆
Version 5.4.10 released
French Tides and Tidal Streams now available
UI Improvements and fixes
Previous version:-
-Quick Link to Boat Beacon button added (top right) - Boat Beacon also has a quick link back to SeaNav
-Request to launch Boat Beacon on start sailin
◆
Version 5.4.9 released
UI Improvements and fixes
-Quick Link to Boat Beacon button added (top right) - Boat Beacon also has a quick link back to SeaNav
-Request to launch Boat Beacon on start sailing now defaulted to not show( re-enable in Advanced settings or j
◆
Version 5.4.8 released
Added Watch complication for SeaNav so you can launch SeaNav from the clock face.
Fix for instruments crashing when dismissed on iPhone
◆
Version 5.4.7 released
Fix for viewing routes on older iPads on pre iOS16.
◆
Version 5.4.6 released
Fixes and Updates for latest iPad iOS support.
◆
Version 5.4.5 released
Charts for the whole of France and Portugal now available
Fix for start up problems on iOS 17 when trying to load the charts.
◆
Version 5.4.4 released
Charts for the whole of France and Portugal now available
Fix for updatable charts that have not been updated not displaying if SeaNav is not connected to the internet.
◆
Version 5.4.3 released
DE,DK and NL demo routes and charts added
Multilignual support for UserGuide and FAQ
My Boat Details type can now be set - e.g. Sailing, Fishing, Pleasure, Diving etc.
Easier to see My Boat icon with boat type colour
Bridges, Shoreline and
◆
Version 5.4.2 released
Trial charts and routes added for Denmark, Germany and the Netherlands.
User guide and FAQ now available in multiple languages.
My Boat Details now lets you set the type - e.g. Sail, Pleasure, Fishing.
Own boat icon now bigger so more easil
◆
Version 5.4.1 released
stability improvements