Comparison

iNavX vs Ramp Radar

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

Head to head
About

iNavX

This app provides comprehensive marine navigation tools, including worldwide chart coverage, weather forecasts, and AIS integration. It allows users to plan routes, track their position, and connect with onboard instruments for a complete boating experience.

Highlights
  • Worldwide marine chart access
  • Real-time GPS plotting
  • Waypoint and route management
  • GRIB weather forecasts
  • AIS integration
  • Nautical instrument connectivity
Features
Read full description

Marine navigation is made easy with iNavX - the world's #1 handheld Chartplotter. Access marine charts, maps, weather, AIS and more! iNavX is the only app to give you complete worldwide chart coverage, from all your favorite charts providers, including the ALL NEW iNavX Professional+ Chart series! Fully enabled with one-touch access, iNavX gives users access to the broadest set of marine charts and maps from multiple providers including: • iNavX Professional+ Charts • Blue Latitude • CHS • Explorer • Theyr Weather • Waterway Guide • … and more How does iNavX take handheld marine navigation to the next level? • Sailors - Plan sailing routes with waypoint and route management. Get proactive sail management with GRIB weather forecasts and then keep watch with AIS overlays and integration with your onboard systems. Plus, you can remember your great sailing locations by geotagging photos. • Boaters - Stay up to date on boating conditions with forecasts that include currents, winds, and swells. Manage your boating equipment with nautical instrument integration and then save great boating routes to share with the track log. • Anglers - Discover new fishing spots by scouting out holes and inlets. Locate the best fishing conditions by identifying cold fronts and save your best fishing spots with unlimited markers. Advanced features - iNavX is the most feature rich app available for all sailing and boating needs at a great price: Advanced Chart Plotter • Plot your position in real-time using your device's built-in GPS • Pan, zoom, and rotate charts (including course up) • Print detailed charts to use in combination with the app Advanced Navigation • Create waypoints and plan routes to navigate between them • Track log allows you to record your route • Import/export data in KML (Google Earth) or GPX format Advanced Instrumentation • Supports NMEA data over TCP/IP (using Wifi) • Integrates with external GPS, AIS receivers & transponders • Connect nautical instruments: Depth, Speed, Wind, Engine, Batteries, etc. Essential Toolkit • GRIB weather forecast • Tides/currents • Anchor alarm • AIS integration • Port/navaid search Download iNavX TODAY and automatically receive a complimentary copy of the official and up-to-date high-resolution NOAA RNC United States marine raster charts. REVIEWS “iNavX is the original and still one of the best navigation apps.” – Practical Sailor “The most full-featured navigation app around and viewed by many as the standard” – Sail Magazine "The #1 recommended marine charting app" - iMarineApps iNavX is Compatible with: Theyr Weather, Waterway Guide, AIS, Brookhouse, DigitalYacht, ShipModul, vYacht, Vesper Marine, NMEA 2000, Chetco and more. NEW CHART STORE Purchase all your favorite charts. Chart subscriptions vary by chart and provider from $9.99 to $199.99 annually, charged to your iTunes Account, which will automatically renew unless cancelled at least 24 hours before the end of the current period. Auto-renew can be turned off anytime by going to your Account Settings in iTunes after purchase. No cancellation of the current subscription is allowed during active subscription period. NOTE: Continued use of GPS running in the background can dramatically decrease battery life. MORE INFO Website: http://inavx.com/ User's Guide: http://inavx.com/help/ Terms of Use: http://inavx.com/terms Privacy Policy: http://inavx.com/privacy

About

Ramp Radar

Features
Read full description

Ramp Radar – Your Essential Boat Ramp Companion Ramp Radar empowers boaters to find and plan launches with confidence. Access real-time information about nearby boat ramps, monitor availability, track water flow and tides, and stay informed about ramp events — all from a single, intuitive app. Professional-Grade Features: Nearby Ramps: Quickly locate ramps in your vicinity using accurate GPS tracking. Live Availability Updates: Receive real-time information on ramp accessibility and changes. Water Flow & Tides Monitoring: Plan launches safely with up-to-date environmental data. Ramp Events & Notices: Stay informed about closures, maintenance, or community events. Trip Planning & Favorites: Save preferred ramps and optimize your boating excursions. Why Choose Ramp Radar? Designed for both recreational and professional boaters, Ramp Radar simplifies trip planning, enhances safety, and ensures a seamless experience at every launch. Download Ramp Radar today and navigate every launch with confidence.

Screenshots

iNavX4 screens
Ramp Radar4 screens

Verdict

The call

The clearest difference is in-app purchases: Ramp Radar at none against iNavX's 11. Ramp Radar also leads on ads (none vs shown). iNavX's advantage is update cadence (every 5 weeks vs every 4 months) and chart position (#143 vs unranked). On price, device support and iOS requirement 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. iNavX sells 11 in-app purchases, starting at $9.99 per month. Ramp Radar asks for nothing beyond the download.

UpkeepUpdate frequency

iNavX ships an update every 5 weeks, Ramp Radar every 4 months. The most recent releases landed on September 26, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 7 level
iNavX versus Ramp Radar: the parameters behind the verdict, then further details
ParameteriNavXRamp Radar
PriceFreeFree
Rating4.8 (22K ratings) — better—
Positive reviews43.7% of reviews—
Number of ratings22K — better—
Update frequencyEvery 5 weeks — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#143 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size298 MB81 MB
Age rating4+17+
DeveloperNavX Studios LLCCurt Ainsworth

Bugs and requests

iNavX

Reported bugs

3 issues
  • Inability to remove waypoints
  • Inconsistent behavior when transitioning International Date Line
  • Disappearing or missing chart data

Requested features

5 requests
  • Seamless chart switching and panning
  • Integrated tidal and current data
  • Support for more chart types and providers
  • Improved route planning and editing tools
  • Automatic chart updates and management

Ramp Radar

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

iNavX

Subscriptions11
  • Theyr Premium - Mobile (Monthly) for iOS$9.991 Month
  • iNavX Professional+ USA$29.991 Year
  • Navionics+ USA/Canada (iPhone)$29.991 Year
Show 8 more
  • Navionics+ Caribbean (iPhone)$44.991 Year
  • Theyr Premium Weather1 Year trial$49.991 Year
  • iNavX Professional+ USA Canada$59.991 Year
  • C-MAP World Chart$59.991 Year
  • Explorer Chartbooks - Bahamas$69.991 Year
  • Navionics+ USA/Canada (iPad)$79.991 Year
  • Navionics+ Caribbean (iPad)$79.991 Year
  • AIS Live$99.991 Year
None

Ramp Radar

No in-app purchases

Questions

Is iNavX free?
iNavX is free to download, with in-app purchases available.
Is Ramp Radar free?
Ramp Radar is free to download, with no in-app purchases.
Do iNavX or Ramp Radar have ads?
iNavX shows ads; Ramp Radar does not.
Which is updated more often, iNavX or Ramp Radar?
iNavX ships an update every 5 weeks, and Ramp Radar every 4 months. Most recently, iNavX was updated on September 26, 2026 and Ramp Radar on September 20, 2026.

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