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Best Seaiq Usa Apps

214+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated September 2026

Looking for free seaiq usa apps? 19 of our 214+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Seaiq Usa Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1SEAiq USASEAiq USAFree4.7★ (501)NoYesSep 2026
2SEAiqSEAiqFree4.7★ (193)NoYesSep 2026
3SEAiq PilotSEAiq PilotFree4.9★ (451)NoYesSep 2026
4SEAiq WatchSEAiq WatchFree5.0★ (1)NoNoSep 2026
5SEAiq Pilot VPPSEAiq Pilot VPP$399.994.8★ (64)NoNoAug 2026
6SeaPen by Solstice Docking USASeaPen by Solstice Docking USAFree4.5★ (4)NoNoJul 2026
7OceanXOceanXFree—NoNoMay 2026
8VesselAwareVesselAwareFree—NoNoSep 2026

Top Picks for Seaiq Usa

SEAiq USA#1

SEAiq USA by Sakhalin

Editor's Choice
🗺️ Navigation
4.7😊(501 ratings)
FreeIn-App Purchases
SEAiq USA screenshot 1
SEAiq USA screenshot 2
SEAiq USA screenshot 3
SEAiq USA screenshot 4

Navigate US waterways with detailed NOAA and US Army Corps of Engineers charts. Features include waypoints, routes, tracks, weather overlays, and an anchor alarm. Offers a 7-day evaluation period before an in-app upgrade is required for full functionality.

What We Love

  • 📊 Accurate and detailed navigation charts
  • 💰 Excellent value for price
  • 🆓 Free NOAA chart downloads
  • 📱 Works offline after chart download
  • 🚢 AIS data integration
  • 📍 Easy waypoint and route creation
  • 🔄 Seamless chart quilting and management
  • ⚓ Anchor monitoring feature
  • 📚 Comprehensive in-app documentation
  • 🛠️ Responsive developer support
  • 🔗 Active Captain integration
  • 🌊 Tide and current data options
  • 📤 Easy GPX export/import functionality
  • 🎯 Intuitive user interface
  • 🔌 NMEA 0183 data integration
  • 🗺️ Both raster and vector chart support
  • 🌙 Night vision-friendly display

Room to Improve

  • 🐢 Slow performance on older devices
  • ❌ No way to delete imported tracks
  • ❌ Cannot rename imported tracks
  • ⚠️ Discontinued Active Captain data support
  • 🔐 Limited free version features
  • 📵 Requires current device for responsiveness
  • 🔗 Difficulty linking iPad to iPhone GPS
  • ⏱️ Slow chart display and panning
  • 🔄 Long Active Captain synchronization times
SEAiq#2

SEAiq by Sakhalin

Strong Contender
🗺️ Navigation
4.7😐(193 ratings)
FreeIn-App Purchases
SEAiq screenshot 1
SEAiq screenshot 2

This marine navigation app offers comprehensive charting capabilities, allowing users to load various standard chart formats and download NOAA charts. It includes essential navigation tools like waypoints, routes, and an anchor alarm, along with weather overlays and NMEA/AIS integration.

What We Love

  • 👍 Highly reliable navigation app
  • 💡 Tons of features
  • ✨ Clean and sensical interface
  • 🚀 Versatile for plotting routes/waypoints
  • 📊 Estimating AIS target crossing range
  • 💻 Visualizing vessel data
  • ⚙️ NMEA data smoothing
  • 🌙 Dark mode option
  • 🚨 Alarm customization
  • 🗺️ Custom satellite charts (.kap files)
  • 🆓 Free NOAA charts (US)
  • 📂 Easily accessible chart files/tracks
  • 🚫 Never crashed
  • 💬 Responsive developer support
  • 🌟 Professional-grade tools
  • ⚓ Chart tool functionality (EBLs, VRMs)
  • 🧭 AIS functionality (course vectors, rate of turn)
  • ✅ Official ENCs display
  • 🛠️ Supports S-63 charts
  • 💯 Good for marine pilots
  • 🌐 Works with official maps (Hong Kong)
  • 🚀 NMEA/AIS features
  • 📊 Data bar on map
  • ✅ Reliable app
  • 🔌 Integrates with Active Captain
  • 🔋 Offline use with Aye Tides
  • 💨 Fast NOAA chart downloads (US)
  • 💻 Planning/plotting on laptop
  • 📈 NOAA Raster and ENC charts
  • ⚙️ Tides integrated nicely
  • 🇭🇰 Works in Hong Kong waters
  • 🚀 VMG feature (missing)
  • 🌍 Free world charts (CM93)
  • 💡 Ability to use own charts
  • 💯 Best nav software by far
  • ✅ Coded by experienced users
  • 🚀 Fast chart updater
  • ⭐ First rate app
  • 🌐 Offline functionality (99%)
  • 💨 Download gribs via SSB
  • 💯 Serious navigator app
  • 💰 Upgrade worth the price
  • 🛰️ GPS data from TCP/IP source (request)
  • 🔄 NMEA data TCP/IP support (request)
  • 🗺️ Display CM93 CMap charts
  • ✅ Try-before-you-buy capability
  • 🚀 Excellent software
  • 💯 Miles ahead of the fleet
  • 🌍 Sailing around the world
  • 💡 Comprehensive app
  • 🔄 Exporting routes easily
  • ✨ AIS functionality excellent
  • ⭐ Actual size feature (AIS)
  • ✅ Solid feature set
  • 🚀 AIS repeater from laptop
  • 💰 Chart plotters for a tenth the cost
  • 🚀 Works well now
  • 💯 Outstanding bit of kit

Room to Improve

  • 😩 Tedious to plot a course
  • 🔧 Complicated chart setup initially
  • 🤔 Not user friendly
  • 📚 Instructions not very helpful
  • ⏳ Time wasted on simple things
  • 🐌 Chart downloader excruciatingly slow
  • 📱 App needs to be on screen for downloads
  • ⚠️ Switching away causes download failures
  • 🔄 Retrying updates needed
  • 📉 Lazy software design
  • 👎 Poor user experience
  • 🤔 Chart suppliers issue with cross-device use
  • 🐌 App speed could be improved
  • 😕 Creating routes/waypoints clunky
  • 🔍 Options hard to find
  • 📈 Learning curve steep
  • 🇺🇸 US charts take priority
  • 📉 CM93 charts no longer supported
  • ❌ No option to load older version
  • 🗑️ Useless waste of money (charts)
  • 💸 Expensive charts
  • 🤷‍♂️ Gave up trying to get it to work
  • ❓ ActiveCaptain feature not working
  • 😭 Screwed by updates
  • 💸 Waste of money
  • 👎 Dropped support for CM93
  • 💰 Hundreds of charts stopped working
  • 📉 Update happened mid-trip
  • ⚠️ Company willing to do this to customers
  • 💸 Hundreds of dollars worth of charts useless
  • 📉 Not unique feature set anymore
  • 💰 Lost considerable money
  • 🚫 App with no use
  • 📉 Developer withdraws support
  • 😭 Unhappy about lost money
  • 👎 CM93 no longer supported
  • 😩 Wasted money
  • ❓ CM93 NOT SUPPORTED???
  • 📉 Lost support for CM93
  • 💸 Expensive app
  • 📉 Bait and Switch
  • 📉 Developers stopped supporting CM93
  • 🗑️ App now worthless
  • 👎 Dropped CM93 support
  • 📉 Turned useful app into worthless app
  • 💰 Full paid version, no refund
  • 😔 Very un happy
  • 🐌 Rendering can be slow
  • 🐌 Full CM93 set is huge
  • 😕 App doesn't allow selection of discreet areas
  • 🤔 Confusing variations of same app
  • 💰 Upgrade asks for more money
  • ❓ Not explaining what you get
  • 👎 Download yet another app for upgrade
  • 🔄 Need to reinstall charts
  • 🛠️ Needs a lot of work to be user friendly
  • 💥 Crashes
  • 🥶 Freezes iPad
  • 💸 40 dollars to create waypoints is brutally expensive
  • 💰 10 dollars would have been better
  • 💸 Cost of charts on top of application
  • ❓ Icons for vessels are basic
  • 😔 It does nothing free
  • ❓ Not intuitive on chart loading
  • 💰 Everything is an upgrade
  • 🗑️ Useless as a free app
  • ⭐ Less than one star
SEAiq Pilot#3

SEAiq Pilot by Sakhalin

#1 App for Pro Marine Pilots
Worth Considering
🗺️ Navigation
4.9😊(451 ratings)
FreeIn-App Purchases
SEAiq Pilot screenshot 1
SEAiq Pilot screenshot 2

This navigation app provides advanced charting and real-time vessel data for professional marine pilots. It supports various chart formats and external NMEA/AIS devices, offering features like predicted vessel display and docking aids. A free trial is available, with an in-app purchase for permanent access.

What We Love

  • 👍 User-friendly and intuitive
  • 🚀 Fast and efficient performance
  • 🌟 Comprehensive functionalities
  • 💡 Innovative features
  • ✅ Reliable and dependable
  • 💰 Excellent value for money
  • 🛠️ Highly customizable
  • 🤝 Outstanding customer support
  • 📈 Continuous improvement and updates
  • 🗺️ Supports various chart formats (ENCs, S63, Raster)
  • ⚓ Excellent for pilotage and docking
  • 🌐 Works with various hardware configurations
  • 🎯 Accurate and precise navigation
  • 🧰 Loads of useful features
  • 💯 Professional grade navigation

Room to Improve

  • 📉 Increasing cost
  • ❓ Chart loading can be tedious
  • ⚠️ Waypoints can be accidentally deleted
  • 🤔 Difficulty in purchasing subscriptions
  • 🎨 Graphics could be improved
  • ❓ Chartworld integration issues
  • 📱 Performance issues on older devices

More Seaiq Usa apps to explore

FAQ about Seaiq Usa

What are the best seaiq usa apps for iPhone?
SEAiq USA tops our seaiq usa apps ranking as of September 2026, with a 4.7-star average from 501 App Store ratings, and it's free to download.
Yes — 19 of the top seaiq usa apps we rank are free to download, including SEAiq USA and SEAiq.
SEAiq USA has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 214+ seaiq usa apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
SEAiq USA is a comprehensive marine navigation application that provides access to detailed charts from NOAA and the US Army Corps of Engineers for selected regions in the USA. It offers a suite of navigation tools to assist boaters and mariners.
Key features include automatic download and display of vector and raster charts, waypoint and route management, track recording, night color modes, an anchor alarm, automatic weather overlays, chart measuring tools, and WiFi-based NMEA and AIS data integration.