Comparison

SeaNav US vs YoNav2.0 GPS Navigation

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

Head to head
About

SeaNav US

Navigate boating trips with high-resolution NOAA marine charts for the USA and Great Lakes. Features include live AIS, augmented reality views, route planning, and offline chart access. Integrates with ActiveCaptain and external devices.

Highlights
  • High-resolution NOAA marine charts
  • Live AIS ship targets and collision alerts
  • Augmented Reality camera view
  • Route planning and tracking
  • Offline charts
  • ActiveCaptain integration
Features
Currently charting
Read full description

Explore, Plan and Navigate your boating trips in real time and outstanding high-resolution with the latest NOAA Marine charts covering the USA and US Great Lakes. - Includes all US Coastal, ICW, Inland (USACE) and Great Lakes Digital Vector Charts - Buoys, lights etc. are tappable with bearing and distance - Free Apple Watch app - Live AIS Ship targets and collision alerts (requires Boat Beacon) - Seamless panning and zooming across charts - Unique live Augmented Reality camera view - Route Planning and tracking with Waypoints, ETA, XTE, etc. plus SeaNav autorouting - Offline charts - Route export and import to MFDs and other apps via gpx - ActiveCaptain Marinas, Anchorage, Hazards and reviews - US NOAA Raster charts available via IAP - Canadian charts via IAP - British Virgin Islands & Bermuda charts via IAP - External NMEA over Wifi SeaNav uses Digital Vector charts providing a wealth of benefits and advantages. Buoys, Lights, Bridges, Depth Contours, Depth Soundings, Rocks, Anchorage areas, NOAA Weather Buoys etc. are all selectable and have real time distance, bearing and detail information. Turn off layers to de-clutter the display and only show what is important at the time. Tides, moon and sun times and weather are also all available at your fingertips. SeaNav’s unique AR view mode allows you to view buoys, lights, ships, waypoints and track overlaid on your iPhone or iPad live camera view. With "AR LockOn" you can select a target on the chart and then be guided to it in the AR camera view. SeaNav lets you measure distances and bearings and record waypoints on routes. When at sea, the app’s Sailing HUD shows your position, Course over ground (COG), Speed over ground (SOG), Vector Made Good (VMG), Estimated Time of Arrival (ETA), Distance and bearing to next Waypoint. Waypoint reached alerts, auto-routing to the next waypoint and collision alerts. SeaNav comes with a free Apple Watch companion app . Lowrance, Simrad and B&G GoFree support included. Your purchase of SeaNav includes 12 months of free updates to the included US chart set. Further chart updates are then available via an in-app purchase. Charts for other regions including Canada may also be added to your product via optional in-app purchase. 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. Pricing for our 1 year US Charts update subscription is US$9.99. 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. Our Privacy Policy may be accessed via http://seanav.net/privacy.php Requires iPhone or iPad. GPS only required for real time route navigation. Optional Real time AIS, Tides and Weather information require an active internet connection. iPhone devices and iPads with a cellular modem already have a built-in GPS, even if they do not have an active service plan. If you have a WiFi-only iPad you will need an external GPS receiver or GPS feed to enable navigation. Please note that continued use of GPS running in the background can dramatically decrease battery life. NOT FOR NAVIGATION This program is distributed in the hope that it will be useful. SeaNav should only be used for basic navigation reference and should not be solely relied upon to determine precise locations, proximity, distance, or direction. Terms of Use: http://seanav.net/termsofuse.php Privacy Policy: http://seanav.net/privacy.php Support: help@pocketmariner.com Third Party Licenses and Notices NOTICE: US Marine Charts are derived from official NOAA Electronic Navigational Charts.

About

YoNav2.0 GPS Navigation

This app provides accurate GPS navigation for outdoor activities, offering real-time location tracking, speed monitoring, and live maps. It's designed for adventurers to confidently explore new places without getting lost, whether hiking, sailing, or cycling.

Highlights
  • Accurate GPS tracking
  • Latitude & Longitude coordinates
  • Course and speed monitoring
  • Live maps with travel distance
  • Max and average speed display
  • Calorie burn tracking
Features
Read full description

***YoNav! GPS navigation uses the most accurate GPS technology available on iOS devices, it will not work indoors. Please make sure you have a clear view of the sky and Location Services is turned on from your device’s settings.*** YoNav 2.0 is reinventing the way you track and map destinations, making it easy to navigate to your next destination from the convenience of your iPhone or iPad. Our simple, straightforward GPS navigation app is designed with outdoor enthusiasts in mind. Explore some of the most incredible places, see stunning new sights, and have the time of your life while confidently heading off on your latest adventure. You never have to worry about getting lost, whether you're in the forest, at sea, or anywhere else around the world! We've made it easier than it's ever been to navigate to different areas while accessing convenient, time-saving features that will help you get where you want to go whenever you're on the go. Explore like never before with our innovative app designed to provide you with the following information: ● Latitude & Longitude - Keep track of your exact coordinates with an accurate reading of your location. ● Course - Use the course details to steer your watercraft correctly to get to where you need to go while traveling on lakes, rivers, and oceans. ● Speed - Monitor your speed to quickly and easily see how fast you're traveling from one destination to the next. ● Live Maps - Get the latest travel information using live maps. View your starting point and traveling distance in seconds. ● Max Speed - See how fast you're going, whether jogging, operating watercraft, or even cycling. ● Average Speed - The average speed lets you know how fast or slow you're navigating through the area. Stay on track no matter your method of travel, whether you're sailing, kiteboarding, hiking, fishing, jogging, or even cycling. With our user-friendly GPS navigation system, visiting new places while hiking, out on the water, or passing by the busy city streets has never been such a frustration-free experience. Why Choose YoNav 2.0? We've simplified the navigation process, laying everything out for you with an easy-to-use interface that implements the latest and most accurate GPS technology available. As a result, our stress-free navigation system works the minute you step foot outside. There's no need to download anything extra or carry any bulky equipment around with you to keep track of where you're at and where you're going. Download YoNav 2.0 and reap the following benefits to save time, energy, and effort while traveling anywhere and everywhere with ease. ● The straightforward interface makes it easy to check stats and vital information to stay on track while you travel. ● Enjoy access to a fully functional display that provides telemetry details while you're out and about. ● Keep track of how many calories you've managed to burn during your exciting adventures. ● Track yourself while mapping different activities to monitor where you've been and where you plan to go next. ● Eliminate the need for any bulky travel accessories and electronics that don't provide nearly as much information. YoNav 2.0 offers the latest GPS technology to keep users navigating with ease. If you're an outdoor enthusiast always looking forward to going on your next adventure, our app is a must-have! Use it from your iPhone or iPad, monitor your stats, and experience the difference it makes. Privacy Policy Summary: YoNav! collects and stores location information. Learn more about the YoNav! privacy policy at: https://yonav.net/yonav-gps-app-digital-privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ For more information, please visit https://yonav.net

Screenshots

SeaNav US4 screens
YoNav2.0 GPS Navigation4 screens

Verdict

The call

The clearest difference is review sentiment: SeaNav US at 48% against YoNav2.0 GPS Navigation's 0%. SeaNav US also leads on ads (none vs shown) and ratings volume (100 vs 1). YoNav2.0 GPS Navigation's advantage is price (Free vs $19.99) and update cadence (every 3 weeks vs every 4 months). On 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

YoNav2.0 GPS Navigation is free to download; SeaNav US costs $19.99 up front. SeaNav US sells 7 in-app purchases, starting at $7.49 per year and YoNav2.0 GPS Navigation sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SeaNav US holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: SeaNav US has 100 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 48% of SeaNav US's written reviews are positive against 0% of YoNav2.0 GPS Navigation's.

UpkeepUpdate frequency

SeaNav US ships an update every 4 months, YoNav2.0 GPS Navigation every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard8 real differences · 3 level
SeaNav US versus YoNav2.0 GPS Navigation: the parameters behind the verdict, then further details
ParameterSeaNav USYoNav2.0 GPS Navigation
Price$19.99Free — better
Rating4.3 (100 ratings) — better4.0 (1 ratings)
Positive reviews48.5% of reviews — better0.0% of reviews
Number of ratings100 — better1
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#185 — better—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size76 MB76 MB
Age rating4+4+
DeveloperPocket Mariner Ltd.Shannon Galway

Customer experience

SeaNav US

All ratings100 ratings
Positive85.0%
Neutral3.0%
Negative12.0%
Written reviews33 reviews
Positive48.5%
Neutral0.0%
Negative51.5%

YoNav2.0 GPS Navigation

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

7 purchases

SeaNav US

Subscriptions6
  • Weather charts$7.491 Year
  • NOAA US Raster charts1 Month trial$9.991 Year
  • Bermuda and BVI Charts$12.991 Year
Show 3 more
  • UK Charts$13.991 Year
  • US Chart Updates$19.991 Year
  • Canada Charts$29.991 Year
One-time1
  • Man Overboard & Anchor Watch$4.99
2 purchases

YoNav2.0 GPS Navigation

Subscriptions2
  • Monthly Subscription$2.991 Month
  • Annual Subscription7 Days trial$9.491 Year

Questions

Is SeaNav US free?
SeaNav US costs $19.99, and also offers in-app purchases.
Is YoNav2.0 GPS Navigation free?
YoNav2.0 GPS Navigation is free to download, with in-app purchases available.
Which has better reviews, SeaNav US or YoNav2.0 GPS Navigation?
SeaNav US is rated higher. SeaNav US averages 4.3 out of 5 from 100 ratings, while YoNav2.0 GPS Navigation averages 4.0 from 1 ratings.
Do SeaNav US or YoNav2.0 GPS Navigation have ads?
YoNav2.0 GPS Navigation shows ads; SeaNav US does not.
Which is updated more often, SeaNav US or YoNav2.0 GPS Navigation?
SeaNav US ships an update every 4 months, and YoNav2.0 GPS Navigation every 3 weeks. Most recently, SeaNav US was updated on November 1, 2026 and YoNav2.0 GPS Navigation on November 3, 2026.

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