Comparison

SeaNav vs Germany HD GPS Nautical Chart

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SeaNav

This app provides high-resolution marine charts, route planning, and real-time navigation for boaters. It offers features like AIS ship tracking, tide and weather information, and offline chart access. Advanced capabilities include augmented reality views and autopilot integration.

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

About

Germany HD GPS Nautical Chart

This app provides detailed nautical charts and marine weather forecasts for Germany, working offline without mobile coverage. It offers advanced navigation tools like route planning, distance measurement, and GPS tracking, along with extensive map overlays and user-friendly features for boaters.

Highlights
  • Offline nautical charts for Germany
  • Marine weather forecasts
  • GPS tracking and heading vector
  • Distance measurement tool
  • Route planning with unlimited waypoints
  • Map overlays (satellite, terrain)
  • Works in background mode
Features
Read full description

Flytomap is a valid and interesting alternative, Benetti Yachts Featured in : On the Deck Germany coverage resident in the app. It works WITHOUT mobile coverage! • Worldwide Marine and Outdoor Maps available when connected, thanks to viewer.flytomap.com • Worldwide Satellite images overlay on charts • Worldwide Terrain features overlay on charts, thanks to Open Street Map, Open Cycle Map, Bing,Earth,Topo Chart and GMap • Local Marine Weather forecast Use to Explore: √ Latitudes and Longitudes to go to your favorite places √ Search your Favorite points directly √ Zoom, Rotate and Pan fast just by a finger touch √ Quick Object information just tapping, thanks to vector technology √ GPS Heading Vector Towards the direction movement √ Distance Measurement Tool to easily calculate the distance from one location to another √ Route planning, unlimited Waypoints - Insert the target/destination and see in real time your speed, distance and bearing √ Magnifying glass for all info √ Unlimited Tracks, Markers, Geo-tagged photos, records and share via email, visible on Google, Flytomap Viewer, KMZ format - Store your track without the need of cellular data or mobile signal √ Select Depth Contours √ a la carte menu √ MOB - Man Over Board √ Quick WP - allows you to instantly record your position and show distance and bearing √ iOS background mode - Flytomap works in background as well, you can swap with another app and receive/make calls send sms while track recording. √ Optimized battery usage • Continuous update of all info (including reviews from the deck) about : • Marinas • Anchorages • Hazards • Local Knowledge √ Local Marine Weather forecast at a quick tap provide you: • Day max and min temperature - Current temperature • Significant wave height, Swell height, Swell period, Swell direction • Tide data • Wind Speed and direction • Weather description • Precipitation & Humidity • Visibility • Pressure • Cloud cover in percentage • Wind chill/Feels like Temperature • Dew Point Temperature • Heat Index Temperature √ And so much more to come - It’s the only app you will ever need! Our charts are installed on: NAVICO LOWRANCE B&G NORTHSTAR EAGLE SIMRAD Follow us: ▶Twitter @flytomap ▶Web Site flytomap.com ▶Web App viewer.flytomap.com ▶Facebook facebook.com/flytomap Flytomap is committed to constant improvement, this App is developed with the help of professional boaters to get the best experience on the sea, we listen to our users and systematically add the most requested features. Thank you for the feedback!

Screenshots

SeaNav4 screens
Germany HD GPS Nautical Chart4 screens

Verdict

The call

The clearest difference is review sentiment: SeaNav at 55% against Germany HD GPS Nautical Chart's 0%. SeaNav also leads on price (Free vs $19.99) and update cadence (monthly vs every 10 months). Germany HD GPS Nautical Chart's advantage is iOS requirement (12.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

SeaNav is free to download; Germany HD GPS Nautical Chart costs $19.99 up front. SeaNav sells 18 in-app purchases, starting at $4.99 per year and Germany HD GPS Nautical Chart sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SeaNav ships an update monthly, Germany HD GPS Nautical Chart every 10 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

Scorecard5 real differences · 5 level
SeaNav versus Germany HD GPS Nautical Chart: the parameters behind the verdict, then further details
ParameterSeaNavGermany HD GPS Nautical Chart
PriceFree — better$19.99
Rating4.4 (251 ratings) — better—
Positive reviews54.7% of reviews — better0.0% of reviews
Number of ratings251 — better—
Update frequencyMonthly — betterEvery 10 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.012.0 — better
Further details — not scored
Size158 MB213 MB
Age rating4+4+
DeveloperPocket Mariner Ltd.Flytomap

Customer experience

SeaNav

All ratings251 ratings
Positive83.3%
Neutral5.2%
Negative11.6%
Written reviews64 reviews
Positive54.7%
Neutral3.1%
Negative42.2%

Germany HD GPS Nautical Chart

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

SeaNav

Reported bugs

8 issues
  • Frozen/locked app
  • Not picking up vessels or ship traffic
  • App does not open
  • Crashes after crashes
  • Sailing mode crash
Show 3 more
  • Confused and buggy, buttons hidden
  • Crashes when pressing boat button
  • French charts missing information (buoys, wind farms)

Requested features

7 requests
  • 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
Show 2 more
  • Course integration with NMEA 2000 devices
  • Easy export/import of route plans between iOS devices

Germany HD GPS Nautical Chart

Not enough reviews yet to summarise bugs or requests.

In-app purchases

18 purchases

SeaNav

Subscriptions16
  • Weather charts$4.991 Year
  • New Zealand Charts$5.991 Year
  • NOAA US Raster Charts$9.991 Year
Show 13 more
  • US Charts$9.991 Month
  • Pro Features$10.491 Year
  • Bermuda and BVI Charts$12.991 Year
  • Italy, Sardinia and Sicily$17.991 Year
  • Norwegian Charts$18.491 Year
  • US Charts$19.991 Year
  • Portuguese Charts$19.991 Year
  • BE & NL Charts$20.991 Year
  • Spanish Charts$24.991 Year
  • UK & IE Charts$24.991 Year
  • French Charts$24.991 Year
  • Canadian Charts$26.991 Year
  • Croatian Charts$28.491 Year
One-time2
  • Man Overboard & Anchor Watch$4.99
  • Pro Features$14.99
1 purchases

Germany HD GPS Nautical Chart

One-time1
  • MOB - Quick Waypoint$1.99

Questions

Is SeaNav free?
SeaNav is free to download, with in-app purchases available.
Is Germany HD GPS Nautical Chart free?
Germany HD GPS Nautical Chart costs $19.99, and also offers in-app purchases.
Do SeaNav or Germany HD GPS Nautical Chart have ads?
Neither SeaNav nor Germany HD GPS Nautical Chart shows ads.
Which is updated more often, SeaNav or Germany HD GPS Nautical Chart?
SeaNav ships an update monthly, and Germany HD GPS Nautical Chart every 10 months. Most recently, SeaNav was updated on October 26, 2026 and Germany HD GPS Nautical Chart on October 20, 2026.

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