Comparison

Navionics® Boating vs C

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

Head to head
About

Navionics® Boating

Access detailed nautical charts and advanced boating features offline on your mobile device. Plan trips with dock-to-dock guidance, check weather and tides, and connect with a community of boaters. Ideal for cruising, fishing, sailing, and diving.

Highlights
  • Offline nautical charts
  • HD bathymetry maps
  • Dock-to-dock route planning
  • Weather and tide forecasts
  • Community edits and recommendations
  • Track recording and sharing
Features
Read full description

Get up-to-date, detailed charts you can use offline plus a boatload of features on your mobile device, so they’re on hand wherever you go. The Boating app is a must-have for cruising, fishing, sailing, diving and all your activities on the water. Try it free for a limited time. To continue using charts and advanced features, you can purchase a yearly auto-renewable subscription*. A COMPLETE PACKAGE • INTERNATIONALLY RENOWNED NAVIONICS® CHARTS: Use them offline along with multiple overlays, so you can be more aware of what’s above and below the water. - NAUTICAL CHART: Use this premier marine reference to study port plans, anchorages and safety depth contours, locate navaids, marine services and more. - SONARCHART™ HD BATHYMETRY MAPS: Extraordinary 1’ (0.5 meter) HD bottom contour detail is the ideal tool for locating new fishing areas. - U.S. GOVERNMENT CHARTS (NOAA): These are available within the following coverages: U.S. and Canada, Mexico, Caribbean to Brazil. - OVERLAYS: The relief shading overlay allows you to have a better understanding of bottom topography for improved fishing and diving. Sonar imagery reveals bottom hardness clearly and in vivid color on select lakes. Want more? Display satellite imagery on land and water. - MAP OPTIONS: Change chart-overlay combinations to customize chart views, activate night mode, highlight shallow areas, target multiple fishing ranges and more. - DAILY UPDATES: Benefit of thousands of daily updates worldwide. • TOOLS FOR PLANNING AND ENJOYING YOUR DAY - AUTO GUIDANCE+TM TECHNOLOGY**: Easily plan your trip with a suggested dock-to-dock path based on chart data and navigation aids. Get ETA, distance to arrival, heading to waypoint, fuel consumption and more. - WEATHER AND TIDES: Knowing conditions before heading out is crucial. Access real-time weather data, daily and hourly forecasts as well as wind, weather buoys, tides and currents. - MARKERS, TRACKS, DISTANCE: Place a marker on a good anchorage spot or where you reeled in a big fish. Record your track, take photos and videos within the app, and look back at your day anytime. Easily check distance among two points. • AN ACTIVE AND HELPFUL COMMUNITY - COMMUNITY EDITS and the ACTIVECAPTAIN® COMMUNITY: Obtain and contribute useful local knowledge along with thousands of fellow boaters, such as points of interest, navigation aids and valuable recommendations from people with firsthand experience of the local environment. - CONNECTIONS: Stay in touch with your friends and fellow boaters by sharing your live location, tracks, routes and markers to easily meet on the water or let them check out your adventures. - GPX IMPORT/EXPORT: Share your saved data outside the app or transfer it to your chartplotter. - SHARE MAP OBJECTS: Share a marina, repair shop or any other location outside the app. • EXTERNAL DEVICE-FRIENDLY FOR MORE FEATURES - PLOTTER SYNC: If you own a compatible chartplotter, sync it with the app to transfer routes and markers, activate, update or renew your Navionics chartplotter card subscription. - SONARCHART LIVE MAPPING FEATURE***: Connect with a compatible sonar/plotter, and create your own maps in real time while navigating. - AIS: Connect to a compatible AIS receiver with Wi-Fi® connectivity to see nearby marine traffic. Set a safe range, and receive visual and aural alerts to signal potential collisions. NOTES: *You can manage your subscription anytime, and you can turn auto-renewal off. **Auto Guidance+ is for planning purposes only and does not replace safe navigation operations ***Free features A tablet device with Wi-Fi connectivity locates your approximate position if it is connected to Wi-Fi. A tablet Wi-Fi + 3G model operates similarly to a phone device with GPS. Wi-Fi is a registered trademark of the Wi-Fi Alliance. iOS is a trademark licensed to Apple, Inc.

About

C

Access up-to-date nautical charts for global exploration and planning. Save points of interest and routes, record tracks, and view marine weather. Upgrade for offline maps, GPS, and advanced features like shaded relief and AIS.

Highlights
  • Free chart viewer
  • Autorouting
  • Personal waypoints
  • Track recording
  • Marine weather forecasts
  • Offline map downloads
  • High-resolution bathymetry
Features
Read full description

The C-MAP® App is the perfect companion for recreational boaters and water-lovers. Available on Mobile, Tablet or PC, you’ll always be able to access the most up to date C-MAP charts, wherever in the world you are. With full features, allowing you to explore, plan and save Points of Interest and Routes from wherever you are, the C-MAP App is the perfect aid to navigation for savvy boaters. The C-MAP App Includes: - FREE Chart Viewer - Autorouting™ – find the best route to your favourite places - Personal Waypoints - Track Recording - Thousands of pre-loaded Points of Interest - Marine Weather Forecast - Weather Along the Route - Weather Overlay - Chart Personalisation - Import & Export GPX Files – share your Routes, Tracks or Waypoints with friends - Measure Distance Tool Upgrade to Premium to unlock additional features, including: - Full GPS Functionality - Offline Map Downloads - REVEAL Shaded Relief - High-Resolution Bathymetry - Custom Depth Shading - AIS & C-MAP Traffic Try before you buy… Experience C-MAP App Premium for yourself, with a free 14-day trial (3-day trial in Denmark and Sweden). The C-MAP App updates on a continual basis, ensuring the latest, most up-to-date maps are always at your fingertips. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Links to Your Privacy Policy and Terms of Use. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Privacy Policy: https://www.brunswick.com/dsar Terms of Service https://appchart.c-map.com/tos.html

Screenshots

Navionics® Boating4 screens
C4 screens

Verdict

The call

The clearest difference is rating: C at 4.5 against Navionics® Boating's 2.9. C also leads on review sentiment (51% vs 22%) and iOS requirement (15.1 vs 18.0). Navionics® Boating's advantage is chart position (#6 vs #112). On price, ratings volume, update cadence and ads 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. Navionics® Boating sells 15 in-app purchases, starting at $49.99 per year and C sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

C holds the better App Store score, 4.5 against 2.9. Both are backed by a comparable volume of ratings — 2.4K and 2.3K respectively. Written reviews point the same way: 22% of Navionics® Boating's written reviews are positive against 51% of C's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

Scorecard4 real differences · 7 level
Navionics® Boating versus C: the parameters behind the verdict, then further details
ParameterNavionics® BoatingC
PriceFreeFree
Rating2.9 (2.4K ratings)4.5 (2.3K ratings) — better
Positive reviews22.3% of reviews51.0% of reviews — better
Number of ratings2.4K — better2.3K
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#6 — better#112
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size153 MB169 MB
Age rating4+4+
DeveloperGarminNavico Norway AS

Customer experience

Navionics® Boating

All ratings2,349 ratings
Positive41.9%
Neutral11.1%
Negative47.0%
Written reviews1,108 reviews
Positive22.3%
Neutral12.1%
Negative65.6%

C

All ratings2,347 ratings
Positive89.3%
Neutral3.1%
Negative7.6%
Written reviews512 reviews
Positive51.0%
Neutral8.6%
Negative40.4%

User reviews

Navionics® Boating

From 2.4K App Store ratings

What we love

  • 🚀 Great navigation app
  • 🗺️ Detailed charts and maps
  • ⚓ Useful for boating and sailing
  • 💰 Good value for money

Room to improve

  • 🐛 Frequent crashes and bugs
  • 🔒 Login issues and unreliable offline access
  • 💰 Expensive subscription model
  • 🗺️ Inaccurate or outdated map data

C

From 2.3K App Store ratings

What we love

  • 🚀 Accurate maps and charts
  • 👍 Easy to use and intuitive
  • 📍 Helpful for planning trips and routes
  • 🛳️ Useful for both professionals and beginners
  • ⚙️ Detailed features like shaded relief and weather info

Room to improve

  • 🐛 Frequent crashes and freezes
  • ⚠️ Unreliable GPS tracking and location updates
  • 🔌 Offline maps and features not working as expected
  • 🤔 Confusing or missing functionality (e.g. route editing)
  • 💸 Expensive subscription, not worth the cost

Bugs and requests

Navionics® Boating

Reported bugs

3 issues
  • GPS signal loss and position tracking issues
  • Inability to download or access previously purchased maps
  • Constant requirement to log in, even offline

Requested features

4 requests
  • Add anchor alarm feature
  • Improve route planning and waypoint functionality
  • Provide better support for multiple devices
  • Enhance user interface and customization options

C

Reported bugs

4 issues
  • App crashes when trying to save tracks or routes
  • Offline maps fail to download or disappear
  • Depth/contour data inaccurate or not displaying properly
  • Login and authentication issues preventing access

Requested features

4 requests
  • Add mast height/clearance feature
  • Improve AIS integration and functionality
  • Allow more customization of map views and data
  • Provide better customer support and communication

In-app purchases

15 purchases

Navionics® Boating

Subscriptions15
  • Norway$49.991 Year
  • Baltic Sea3 Days trial$49.991 Year
  • Australia & New Zealand7 Days trial$49.991 Year
Show 12 more
  • Africa & Middle East7 Days trial$49.991 Year
  • Mexico, Caribbean to Brazil7 Days trial$49.991 Year
  • Indian Ocean and South China7 Days trial$49.991 Year
  • Pacific Islands7 Days trial$49.991 Year
  • US & Canada7 Days trial$49.991 Year
  • UK, Ireland & Holland7 Days trial$49.991 Year
  • Chile, Argentina&Easter Island$49.991 Year
  • China Sea & Japan$49.991 Year
  • Central and West Europe7 Days trial$59.991 Year
  • Mediterranean & Black Sea7 Days trial$59.991 Year
  • Adriatic & Ionian Seas7 Days trial$69.991 Year
  • Scandinavia S. & Germany N.$99.991 Year
10 purchases

C

Subscriptions10
  • Embark Advanced Weather$1.991 Month
  • Embark Offline Maps USA$2.491 Month
  • Annual Subscription14 Days trial$14.991 Year
Show 7 more
  • Annual subscription14 Days trial$14.991 Year
  • Region14 Days trial2 variants$18.991 Year
  • North America14 Days trial$23.491 Year
  • Maps Lakes South East USA14 Days trial$25.991 Year
  • Annual Subscription14 Days trial$29.991 Year
  • Caribbean14 Days trial$32.991 Year
  • Maps USA East Coast & Bahamas14 Days trial$39.991 Year

Questions

Is Navionics® Boating free?
Navionics® Boating is free to download, with in-app purchases available.
Is C free?
C is free to download, with in-app purchases available.
Which has better reviews, Navionics® Boating or C?
C is rated higher. Navionics® Boating averages 2.9 out of 5 from 2.4K ratings, while C averages 4.5 from 2.3K ratings.
Do Navionics® Boating or C have ads?
Neither Navionics® Boating nor C shows ads.
Which is updated more often, Navionics® Boating or C?
Navionics® Boating ships an update every 6 weeks, and C every 6 weeks. Most recently, Navionics® Boating was updated on October 21, 2026 and C on October 20, 2026.
Which is more popular, Navionics® Boating or C?
Navionics® Boating currently peaks at #6 in the App Store charts, and C at #112. Chart position reflects recent download velocity rather than total install base.

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