Comparison

Marine Navigation Lite vs SeaNav

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

Head to head
About

Marine Navigation Lite

This app offers offline GPS charting for marine use, allowing users to own their maps permanently. It provides advanced navigation tools, custom map creation from any image, and respects user privacy by not tracking or selling data.

Highlights
  • Lifetime map ownership
  • Offline GPS charting
  • Custom map creation from images
  • Global offline tides
  • Fish forecast
  • Advanced visual waypoints
Features
Read full description

MARINE NAVIGATION — Offline GPS Chartplotter You Own Forever Tired of apps renting your maps every year? Worried about your secret fishing spots being tracked or sold? It’s time to take back control. Marine Navigation is the GPS chartplotter you buy once and own for life. No hidden fees, no forced subscriptions. Since 2009, sailors, fishermen, and sea lovers have trusted us for reliable, offline navigation that respects their privacy. CHOOSE YOUR WAY TO NAVIGATE - Try Free: Download Marine Navigation Lite to explore the basics. - Full Version (One-Time Purchase): Get the complete offline chartplotter that’s yours forever. - Go PRO (Optional Subscription): Unlock professional-grade tools and navigate without limits. Your choice: own it once, or subscribe for more — total freedom. GO PRO — THE ULTIMATE NAVIGATION For the serious navigator, we built something extraordinary. The PRO version is more than just features; - PROPRIETARY S57 ENGINE: This is our masterpiece. Our custom S57 renderer brings official Electronic Navigational Charts (ENC) to your device with a speed and detail once reserved for systems costing thousands. - UNLIMITED CUSTOM MAPS: Our most revolutionary feature, supercharged. Scan a paper chart, import a satellite image of a wreck, or even use a treasure map. Our powerful georeferencing tool lets you turn any image into a fully navigable, offline chart in minutes. Your knowledge, mapped. - GLOBAL OFFLINE TIDES: Accurate tidal data for any point on the map, calculated on your device. No internet needed, powered by the high-precision FES2022b global model. - ADVANCED TOOLS: Overlay multiple maps, adjust transparency, and gain a level of control that competitors simply cannot match. - FISH FORECAST (NEW): Fish Forecast helps you plan fishing trips with an Activity Score, built from Solunar, plus real fishing weather and ocean conditions. YOUR DATA IS SACRED We respect your privacy. We don’t track you. We don’t analyze your locations. We never sell your data. Everything you save stays safely on your device. Your fishing spots remain yours — always. FULL VERSION — EVERYTHING YOU NEED - RELIABLE OFFLINE MAPS: Download your charts and navigate with confidence far from shore. Our entire download system has been rebuilt from the ground up based on user feedback for total clarity and control. - COMPLETE GPS NAVIGATION: Create routes, record tracks, set a visual anchor alarm, use the compass (true/magnetic), and monitor your speed and direction. - NEW! ADVANCED VISUAL WAYPOINTS: Take total control of your map. Organize your spots with a library of custom icons and colors, then go beyond a simple pin: turn your chart into an intelligent log. Tag any location with the exact bait that worked, the type of fishing, catch details, and other crucial conditions. - WIDE CHART SELECTION: Access NOAA Raster & ENC, ESRI Satellite Imagery, OpenSeaMap, Bathymetric Maps, and more. - USEFUL TOOLS: Basic weather, moon & sun phases, GPX import/export. WHY CHOOSE MARINE NAVIGATION? - Freedom of Choice: Buy once for life, or subscribe to PRO — you decide. - Privacy First: Your data stays on your device, period. - Unmatched Control: From official S57 charts to your own custom maps. - Trusted by Navigators Worldwide: Reliable and independent since 2009. IMPORTANT NOTICE Good seamanship requires the use of official charts. Marine Navigation is for use with other charts and cannot replace official charts. Use at your own risk. SUBSCRIPTION INFORMATION - The PRO subscription renews automatically unless turned off at least 24 hours before the end of the current period. - You can manage or disable auto-renew in your iTunes Account Settings after purchase. --- Learn more on our official website: www.fishpoints.net Terms of Use: http://www.fishpoints.net/eula/ Privacy Policy: http://www.fishpoints.net/privacy-policy/ Try Marine Navigation and take the helm of your journey. The sea is yours.

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

Screenshots

Marine Navigation Lite4 screens
SeaNav4 screens

Verdict

The call

The clearest difference is review sentiment: SeaNav at 55% against Marine Navigation Lite's 3%. SeaNav also leads on ads (none vs shown). Marine Navigation Lite's advantage is update cadence (weekly vs monthly). On price, in-app purchases, monetization model 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

Both are free to download. Marine Navigation Lite sells 10 in-app purchases, starting at $0.99 per 6 months and SeaNav sells 18 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Marine Navigation Lite ships an update weekly, SeaNav monthly. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard3 real differences · 7 level
Marine Navigation Lite versus SeaNav: the parameters behind the verdict, then further details
ParameterMarine Navigation LiteSeaNav
PriceFreeFree
Rating—4.4 (251 ratings) — better
Positive reviews3.4% of reviews54.7% of reviews — better
Number of ratings—251 — better
Update frequencyWeekly — betterMonthly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS16.016.0
Further details — not scored
Size106 MB158 MB
Age rating17+4+
DeveloperMarco PalaferriPocket Mariner Ltd.

Customer experience

Marine Navigation Lite

Written reviews29 reviews
Positive3.4%
Neutral0.0%
Negative96.6%

SeaNav

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

Bugs and requests

Marine Navigation Lite

Not enough reviews yet to summarise bugs or 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

In-app purchases

10 purchases

Marine Navigation Lite

Subscriptions8
  • Remove Ads SixMonths$0.996 Months
  • Monthly Subscription$0.991 Month
  • Remove Ads (1 Year)$1.491 Year
Show 5 more
  • 6 Months Subscription$4.496 Months
  • Update to Full Version 6Months$4.996 Months
  • Pro$5.991 Year
  • Update to Full Version 1 Year$6.991 Year
  • 1 Year Subscription$7.991 Year
One-time2
  • Remove Ads Forever$2.99
  • Full Version Forever$19.99
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

Questions

Is Marine Navigation Lite free?
Marine Navigation Lite is free to download, with in-app purchases available.
Is SeaNav free?
SeaNav is free to download, with in-app purchases available.
Do Marine Navigation Lite or SeaNav have ads?
Marine Navigation Lite shows ads; SeaNav does not.
Which is updated more often, Marine Navigation Lite or SeaNav?
Marine Navigation Lite ships an update weekly, and SeaNav monthly. Most recently, Marine Navigation Lite was updated on October 24, 2026 and SeaNav on October 26, 2026.

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