SeaNav US
SeaNav US is made and published by Pocket Mariner Ltd. AppBrain is an independent app data site and isn't affiliated with Pocket Mariner Ltd. The app name, icon, screenshots and description belong to Pocket Mariner Ltd. and are shown as published on the App Store.
AppBrain's verdict
EstablishedWell rated- Rating on App Store
- 4.32
- 100 ratings
- Last updated
- June 1, 2026
- Size
- 75.6 MB
Users rate it well: 4.3 stars from 100 ratings.
User feedback
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Store listing
By Pocket Mariner Ltd., from the App StoreDescription by Pocket Mariner Ltd. Written by the developer, not by AppBrain. Click to read.
- Includes all US Coastal, ICW, Inland (USACE) and Great Lakes Digital Vector Charts
- Buoys, lights etc. are tappable with bearing and distance
- Free Apple Watch app
- Live AIS Ship targets and collision alerts (requires Boat Beacon)
- Seamless panning and zooming across charts
- Unique live Augmented Reality camera view
- Route Planning and tracking with Waypoints, ETA, XTE, etc. plus SeaNav autorouting
- Offline charts
- Route export and import to MFDs and other apps via gpx
- ActiveCaptain Marinas, Anchorage, Hazards and reviews
- US NOAA Raster charts available via IAP
- Canadian charts via IAP
- British Virgin Islands & Bermuda charts via IAP
- External NMEA over Wifi
SeaNav uses Digital Vector charts providing a wealth of benefits and advantages. Buoys, Lights, Bridges, Depth Contours, Depth Soundings, Rocks, Anchorage areas, NOAA Weather Buoys etc. are all selectable and have real time distance, bearing and detail information. Turn off layers to de-clutter the display and only show what is important at the time. Tides, moon and sun times and weather are also all available at your fingertips.
SeaNav’s unique AR view mode allows you to view buoys, lights, ships, waypoints and track overlaid on your iPhone or iPad live camera view. With "AR LockOn" you can select a target on the chart and then be guided to it in the AR camera view.
SeaNav lets you measure distances and bearings and record waypoints on routes. When at sea, the app’s Sailing HUD shows your position, Course over ground (COG), Speed over ground (SOG), Vector Made Good (VMG), Estimated Time of Arrival (ETA), Distance and bearing to next Waypoint. Waypoint reached alerts, auto-routing to the next waypoint and collision alerts.
SeaNav comes with a free Apple Watch companion app .
Lowrance, Simrad and B&G GoFree support included.
Your purchase of SeaNav includes 12 months of free updates to the included US chart set. Further chart updates are then available via an in-app purchase. Charts for other regions including Canada may also be added to your product via optional in-app purchase.
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. Pricing for our 1 year US Charts update subscription is US$9.99.
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.
Our Privacy Policy may be accessed via http://seanav.net/privacy.php
Requires iPhone or iPad. GPS only required for real time route navigation. Optional Real time AIS, Tides and Weather information require an active internet connection.
iPhone devices and iPads with a cellular modem already have a built-in GPS, even if they do not have an active service plan.
If you have a WiFi-only iPad you will need an external GPS receiver or GPS feed to enable navigation.
Please note that continued use of GPS running in the background can dramatically decrease battery life.
NOT FOR NAVIGATION
This program is distributed in the hope that it will be useful. SeaNav should only be used for basic navigation reference and should not be solely relied upon to determine precise locations, proximity, distance, or direction.
Terms of Use: http://seanav.net/termsofuse.php
Privacy Policy: http://seanav.net/privacy.php
Support: help@pocketmariner.com
Third Party Licenses and Notices
NOTICE: US Marine Charts are derived from official NOAA Electronic Navigational Charts.
Safety and technology
Found in the app by AppBrain- Price
- $19.99
- App size
- 75.6 MB
- Content rating
- Everyone
Technologies used by SeaNav US
Releases
Updates seen on the App Store- Version
- 5.5.4
- Launched
- April 2013
No changelog data
Alternatives
Similar apps and more from Pocket Mariner Ltd.Alternatives to SeaNav US
More from Pocket Mariner Ltd.
Rankings
App Store top chartsApp Store Rankings for SeaNav US
About the app and developer
About SeaNav US
SeaNav US is a navigation app developed by Pocket Mariner Ltd.
User Ratings
SeaNav US is rated 4.32 out of 5 stars. The rating is based on 100 ratings.
App Information
SeaNav US costs $19.99. The app size is 75.58 MB. The latest version available is 5.5.4. The last update was on June 1, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since April 2013.
Developer information for Pocket Mariner Ltd.
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