Comparison

C vs DECKEE Boating App

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

Head to head
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

About

DECKEE Boating App

Plan and enjoy your water adventures safely with detailed marine maps, weather forecasts tailored for boating, and essential safety information. Explore new areas with community-driven insights and automatically log your trips.

Highlights
  • Marine GPS maps with navigation aids
  • Boating-specific weather forecasts
  • Depth charts and safety alerts
  • Mandatory safety gear checklist
  • Live location sharing
  • Community heatmaps for routes
  • Automatic trip logging
Features
Read full description

Water adventures made easy! Whether you love to boat, fish, sail or paddle, DECKEE is the app that helps you plan and enjoy your day on the water safely. Used by over 1 million people worldwide, DECKEE is suitable for all experience levels. Explore, prepare and get out there! BOATING AND FISHING GPS APP Enhance your planning and situational awareness with detailed local marine maps that show you navigation aids, points of interest, speed zones, safety alerts and vessel positions. KNOW THE BEST TIME TO GO Have you ever tried to work out what the weather forecast means for your watercraft? It’s not easy! The DECKEE forecast combines the weather with your boat details to show you the best time to be on the water. EXPLORE DEPTH CHARTS Built on official data from hydrographic agencies, DECKEE offers depth charts that help you understand the water, discover hidden insights, and see what usually goes unseen. BE PREPARED AND AVOID FINES Easily check what mandatory safety gear you need for your watercraft, based on official regulations and the specific waters you intend on exploring. LIVE SHARE YOUR LOCATION It's easy to share your live location with friends, family or the local community to keep them updated on where you are, or setup a plan to share your intentions. LOCAL KNOWLEDGE HEATMAPS See what pathways and routes other boaters follow, so you feel confident to discover new places, find those quiet spots to relax, and other insights to plan a fun day on the water. AUTOMATIC LOGBOOK The app magically logs your activity on the water for you so you never forget. In your logbook you can see your activity stats, revisit your past trips, improve your decision-making, and reflect on your favourite experiences. --- LEGAL Terms of Use: https://www.deckee.com/terms-of-use Privacy Policy: https://www.deckee.com/privacy-policy

Screenshots

C4 screens
DECKEE Boating App4 screens

Verdict

The call

The clearest difference is rating: C at 4.5 against DECKEE Boating App's 3.2. C also leads on ratings volume (2.3K vs 18) and chart position (#102 vs unranked). DECKEE Boating App's advantage is in-app purchases (none vs 11) and review sentiment (64% vs 51%). On price, update cadence, ads 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. C sells 10 in-app purchases, starting at $1.99 per month. DECKEE Boating App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

C holds the better App Store score, 4.5 against 3.2. That said, the two scores are not equally well evidenced: C has 2.3K ratings behind it against 18, so its average is the more settled of the two. Written reviews complicate that: 51% of C's written reviews are positive against 64% of DECKEE Boating App's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

C ships an update every 6 weeks, DECKEE Boating App every 2 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

Scorecard6 real differences · 5 level
C versus DECKEE Boating App: the parameters behind the verdict, then further details
ParameterCDECKEE Boating App
PriceFreeFree
Rating4.5 (2.3K ratings) — better3.2 (18 ratings)
Positive reviews51.0% of reviews63.9% of reviews — better
Number of ratings2.3K — better18
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#102 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size169 MB19 MB
Age rating4+4+
DeveloperNavico Norway ASDeckee

Customer experience

C

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

DECKEE Boating App

All ratings18 ratings
Positive50.0%
Neutral5.6%
Negative44.4%
Written reviews83 reviews
Positive63.9%
Neutral10.8%
Negative25.3%

Bugs and requests

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

DECKEE Boating App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
None

DECKEE Boating App

No in-app purchases

Questions

Is C free?
C is free to download, with in-app purchases available.
Is DECKEE Boating App free?
DECKEE Boating App is free to download, with no in-app purchases.
Which has better reviews, C or DECKEE Boating App?
C is rated higher. C averages 4.5 out of 5 from 2.3K ratings, while DECKEE Boating App averages 3.2 from 18 ratings.
Do C or DECKEE Boating App have ads?
Neither C nor DECKEE Boating App shows ads.
Which is updated more often, C or DECKEE Boating App?
C ships an update every 6 weeks, and DECKEE Boating App every 2 months. Most recently, C was updated on October 15, 2026 and DECKEE Boating App on October 12, 2026.

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