Comparison

SEAiq vs Marine Navigation Lite

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

Head to head
About

SEAiq

This marine navigation app offers comprehensive charting tools, allowing users to load various chart formats and automatically download NOAA charts for the US. It includes features like waypoints, routes, tracks, weather overlays, and NMEA/AIS integration for enhanced seafaring.

Highlights
  • Load custom charts (S-57, S-63, BSB, KAP)
  • Automatic NOAA chart downloads (US)
  • Waypoint and route planning
  • Track recording and display
  • Night color modes
  • Anchor alarm
  • Weather overlays (wind & isobar)
  • NMEA and AIS integration
Read full description

SEAiq is a full-featured marine navigation app. It lets you load your own charts in standard formats, including S-57, S-63, iENC, BSB, and KAP. It also automatically downloads charts from NOAA for the United States. Features include: * Waypoints * Routes * Tracks * Night color modes * Anchor alarm * Automatic download and display of weather (wind & isobar) * Chart measuring tools (EBL/VRM) * Wi-Fi-based NMEA and AIS No purchase is required to view charts. Premium navigation features are enabled during a 7-day evaluation period. After that, an annual subscription is required. Existing one-time purchases retain the features they unlocked. Continued use of GPS running in the background can dramatically decrease battery life. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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.

Screenshots

SEAiq2 screens
Marine Navigation Lite4 screens

Verdict

The call

The clearest difference is review sentiment: SEAiq at 61% against Marine Navigation Lite's 3%. SEAiq also leads on ads (none vs shown). Marine Navigation Lite's advantage is update cadence (weekly vs every 2 weeks). 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. SEAiq sells 2 in-app purchases, starting at $15.00 per year and Marine Navigation Lite sells 10 in-app purchases, starting at $0.99 per 6 months. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SEAiq ships an update every 2 weeks, Marine Navigation Lite weekly. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.

Scorecard3 real differences · 7 level
SEAiq versus Marine Navigation Lite: the parameters behind the verdict, then further details
ParameterSEAiqMarine Navigation Lite
PriceFreeFree
Rating4.7 (194 ratings) — better—
Positive reviews61.3% of reviews — better3.4% of reviews
Number of ratings194 — better—
Update frequencyEvery 2 weeksWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size54 MB106 MB
Age rating4+17+
DeveloperSakhalinMarco Palaferri

Customer experience

SEAiq

All ratings194 ratings
Positive91.8%
Neutral3.6%
Negative4.6%
Written reviews75 reviews
Positive61.3%
Neutral6.7%
Negative32.0%

Marine Navigation Lite

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

Bugs and requests

SEAiq

Reported bugs

4 issues
  • No access to premium features after payment
  • Chart downloads fail if app is not on screen
  • App freezes when trying to delete
  • App crashes

Requested features

13 requests
  • Simplify course plotting
  • Add support for .MBTiles
  • Add VMG feature
  • Add support for .MBTiles
  • Add support for .MBTiles
Show 8 more
  • Allow selection of discreet chart areas
  • Add GPS data from TCP/IP source
  • Allow disabling internal GPS
  • Provide good integration/complement to OpenCpn
  • Provide TCP/IP support for NMEA data
  • Broadcast waypoint and NMEA data to external systems
  • Lower price for waypoints creation
  • Allow using purchased charts across devices

Marine Navigation Lite

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

SEAiq

Subscriptions1
  • Premium Annual$15.001 Year
One-time1
  • Upgrade for Premium Features$49.99
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

Questions

Is SEAiq free?
SEAiq is free to download, with in-app purchases available.
Is Marine Navigation Lite free?
Marine Navigation Lite is free to download, with in-app purchases available.
Do SEAiq or Marine Navigation Lite have ads?
Marine Navigation Lite shows ads; SEAiq does not.
Which is updated more often, SEAiq or Marine Navigation Lite?
SEAiq ships an update every 2 weeks, and Marine Navigation Lite weekly. Most recently, SEAiq was updated on November 6, 2026 and Marine Navigation Lite on November 10, 2026.

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