# SeaNav — Marine Charts and Navigation

> Marine navigation app with charts, route planning, AIS, and weather. (iPhone/iPad app by Pocket Mariner Ltd..)

- Source: https://appshunter.io/ios/app/seanav/id857841271 (this page in markdown: same URL + `.md`)
- Developer: [Pocket Mariner Ltd.](https://appshunter.io/developer/719592131)
- Category: Navigation, Travel
- Price: Free with in-app purchases
- Rating: 4.40/5 from 245 App Store ratings · 64 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 158 MB
- Languages: American English, Danish, European Spanish, Italian, German (Germany), French (France), Swedish
- Released: 2014-04-24
- Data updated: 2026-08-26
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/seanav/id857841271/reviews.md

## What is SeaNav?

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

## Key features

- High-resolution marine charts
- Autoroute planning
- Real-time GPS navigation
- AIS ship tracking
- Tides and weather
- Offline chart access
- Augmented Reality View

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| US Charts | $19.99 | per year |
| Canadian Charts | $26.99 | per year |
| NOAA US Raster Charts | $9.99 | per year |
| New Zealand Charts | $5.99 | per year |
| Weather charts | $4.99 | per year |
| Pro Features | $10.49 | per year |
| Italy, Sardinia and Sicily | $17.99 | per year |
| Norwegian Charts | $18.49 | per year |
| BE & NL Charts | $20.99 | per year |
| Croatian Charts | $28.49 | per year |
| Spanish Charts | $24.99 | per year |
| Portuguese Charts | $19.99 | per year |
| Bermuda and BVI Charts | $12.99 | per year |
| US Charts | $9.99 | per month |
| UK & IE Charts | $24.99 | per year |
| French Charts | $24.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro Features | $14.99 | one-time |
| Man Overboard & Anchor Watch | $4.99 | one-time |


## What do users think of SeaNav?

Overall sentiment: mixed

**Pros**

- 👍 Easy to use and great price
- 👍 Much easier to use than competitors
- 👍 UKHO Charts at a reasonable price
- 👍 Intuitive interface, clear and uncluttered
- 👍 Supports NMEA data integration
- 👍 Useful for tracking and marking spots
- 👍 Great for cruising and watching ship/current/winds
- 👍 Reliable and functional
- 👍 Excellent value for money
- 👍 Intuitive and accurate
- 👍 Great for novice boat renters
- 👍 Good app for sailing
- 👍 Vector maps are amazing, detailed, easy to read
- 👍 Great in-route tracking and tracing
- 👍 Fabulous for nighttime navigation
- 👍 Excellent nav tool
- 👍 Well-priced in-app purchases
- 👍 Great help
- 👍 Top app for mariners
- 👍 Outstanding support
- 👍 Works great on iPad
- 👍 Fantastic
- 👍 First class app with first class support
- 👍 Great app with accurate Canadian data
- 👍 Excellent program
- 👍 Best product for boats
- 👍 Detailed charts and augmented reality

**Cons**

- 🐛 Frozen/locked app
- 💰 Neil and dime for everything
- ❌ Not picking up vessels or ship traffic
- ❌ Charts not good, weather not working
- ❌ Difficult to download and update charts
- ❌ Not an all-inclusive price
- ❌ NOAA charts are free, paying is a rip-off
- ❌ Charts no longer show safe anchorage
- ❌ Not worth the money, expensive subscriptions
- ❌ Cannot zoom in enough to see channels
- ❌ Too slow and low resolution
- 🐛 Confused and buggy, buttons hidden
- 🐛 Crashes when pressing boat button
- ❌ Very limited demo, ala carte by subscription
- ❌ Bad charts for Denmark, difficult to distinguish land/water
- 🐛 Sailing mode crash
- ❌ Rubbish, waste of money
- ❌ Not useable for safe yachting, incorrect chart info
- ❌ Charts not detailed, low resolution maps
- 🐛 App does not open
- 🐛 Crashes after crashes
- ❌ Free version useless, still figuring out depth data
- ❌ Misleading marketing, charts not usable across apps
- ❌ French charts missing information (buoys, wind farms)

**Commonly reported bugs**

- Frozen/locked app
- Not picking up vessels or ship traffic
- App does not open
- Crashes after crashes
- Sailing mode crash
- Confused and buggy, buttons hidden
- Crashes when pressing boat button
- French charts missing information (buoys, wind farms)

**Most requested features**

- Can you see water depth on Apple Watch?
- Download all purchased charts button
- Update all purchased charts button
- Legend for symbols and colors
- Brief chart reading explainer
- Course integration with NMEA 2000 devices
- Easy export/import of route plans between iOS devices

## Recent user reviews (10 of 64)

All indexed reviews: https://appshunter.io/ios/app/seanav/id857841271/reviews.md

### 5/5 — Excellent best SeaNav

*2026-08-03, version 5.5.5*

Using SeaNav for years awesome

### 3/5 — For freshwater and close land

*2026-07-10*

Maximum depth 30meters

**Developer response:** Hi, there is a Max Depth option in SeaNav Advanced Settings which defaults to 20m. Change it to All  to show all depths and you will then see all the contours and depths greater than 30m.  Looking at the Tasman Sea I can see contours out at 4000m and greater.

I hope this helps?

Fair winds
The PocketMariner crew

### 2/5 — Good

*2026-06-23, version 5.5.5*

Good but fails when in need, so dependsnt on internet and 4/5g

### 5/5 — Excellent sea Navigation app

*2026-05-10, version 5.5.4*

Excellent sea Navigation very useful

### 1/5 — Frozen / locked

*2026-03-24, version 5.5.1*

Installed yesterday, no way to undo some functions, now the app is broken or locked. 

Cant do anything just look at some strange screen.

### 1/5 — Difficult to use

*2025-09-19, version 5.4.19*

This app has a tendency to neil and dime you for everything, including all the charts do not buy

### 5/5 — Free to try, Easy to use and great price

*2025-08-09, version 5.4.19*

I have tried several marine apps and find SeaNav the best for ease of use and price

### 5/5 — Not picking up no Vessels or ship traffic

*2025-07-13, version 5.4.18*

I am not picking up no vessels or no ship traffic at all on this app and I just got charged last night another $30. Thinking about canceling this app

### 5/5 — Much easier to use and less expensive than Savvy Navvy

*2025-06-11, version 5.4.18*

I found this app much easier to use than Savvy Navvy. It has more features including a free SeaNav Watch app and is way less expensive for the charts I need. Charts for the British Virgin Islands were just £10.

### 2/5 — Nicht zu empfehlen

*2025-06-03*

Die AIS sind von MarineTraffic und die Seekarte ist auch nicht besonders gut. Wetter funktioniert auch nicht. 3 Abos umsonst..

**Developer response:** Hallo, wir bedauern dieses Feedback, das wir nicht verstehen. Das AIS stammt aus unserem eigenen Echtzeit-AIS-Netzwerk, das Wetter funktioniert für Deutschland und die Karten sind die offiziellen des Deutschen Hydrographischen Amtes. Könnten Sie uns bitte eine E-Mail an help@pocketmariner.com senden, damit wir Ihre Bedenken besser verstehen und die Dinge für Sie verbessern können?

## Frequently asked questions about SeaNav

### What does SeaNav do?

SeaNav is a comprehensive boating app that combines high-resolution marine charts, route planning, and real-time navigation. It offers features like AIS ship tracking, tide and weather forecasts, and offline chart access, providing a powerful navigation solution for boaters.

### What are the key features of SeaNav?

Key features include autoroute planning with waypoint creation, real-time GPS navigation with various display modes, live AIS ship tracking with collision alarms, tide and weather information, and offline chart access. It also offers an Augmented Reality View and integration with autopilot systems.

### How much does SeaNav cost?

The app offers a free version with all navigation and trip planning tools. High-resolution vector charts and advanced features like AIS and weather updates are available through 1-year in-app purchase subscriptions. These subscriptions automatically renew unless turned off.

### What devices is SeaNav compatible with?

SeaNav is available for iPhone, iPad, and Apple Watch. For navigation on a WiFi-only iPad, an external GPS receiver is required. An active internet connection is needed for real-time AIS, tides, and weather information.

### What are common use cases for SeaNav?

Common use cases include planning and executing boat trips, monitoring nearby vessel traffic with AIS, checking tide and weather conditions for safe passage, and using augmented reality for enhanced situational awareness. It's also useful for importing and exporting GPX routes.

## Version history (last 5 releases)

### 5.5.5 — 2026-05-18

Improvements to Auto-routing

### 5.5.4 — 2026-04-24

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

### 5.5.3 — 2026-04-14

Update for US NOAA paper charts and iPad map/satellite mode switching

### 5.5.2 — 2026-03-31

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.

### 5.5.1 — 2026-03-16

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.

## Apps similar to SeaNav

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [iNavX: Marine Navigation](https://appshunter.io/ios/app/inavx-marine-navigation/id286616280) | 4.8 (21,564) | Free | Navigation |
| [i-Boating: Marine Charts & Gps](https://appshunter.io/ios/app/i-boating-marine-charts-and-gps/id994992062) | 4.5 (14,760) | Free | Navigation |
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| [PRO CHARTS - Marine Navigation](https://appshunter.io/ios/app/pro-charts-marine-navigation/id451093694) | 4.5 (8,499) | Free | Navigation |
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## More apps by Pocket Mariner Ltd.

- [Compass Eye Bearing Compass](https://appshunter.io/ios/app/compass-eye-bearing-compass/id472314819)
- [Boat Beacon](https://appshunter.io/ios/app/boat-beacon/id494877039)
- [SeaNav US](https://appshunter.io/ios/app/seanav-us/id632635827)
- [SeaNav UK & Ireland](https://appshunter.io/ios/app/seanav-uk-and-ireland/id632692250)
- [Boat Watch - Ship Tracking](https://appshunter.io/ios/app/boat-watch-ship-tracking/id669023760)
- [Boat Watch Pro](https://appshunter.io/ios/app/boat-watch-pro/id721609826)

All apps by Pocket Mariner Ltd.: https://appshunter.io/developer/719592131

## Related topics

[seanav](https://appshunter.io/ios/topics/seanav) · [seanav np](https://appshunter.io/ios/topics/seanav-np)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*
