Best Sea Map Apps

238+ iOS apps curated and reviewed

3.8 avg rating
20 free apps
Updated October 2026

C is the household name in sea map, but it's far from the only option. We track 238+ alternatives and competitors on iOS โ€” many free, many higher-rated than you'd expect.

Compare top Sea Map Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1C-MAP: BoatingC-MAP: BoatingFree4.5โ˜… (2.4K)NoYesOct 2026
2Aqua Map BoatingAqua Map BoatingFree4.7โ˜… (14K)NoYesOct 2026
3i-Boating: Marine Charts & Gpsi-Boating: Marine Charts & GpsFree4.5โ˜… (15K)NoYesOct 2026
4Sea MapsSea MapsFree5.0โ˜… (1)NoYesOct 2026
5Navionicsยฎ BoatingNavionicsยฎ BoatingFree2.9โ˜… (2.4K)NoYesOct 2026
6Open Sea OpenSeaMap BrowserOpen Sea OpenSeaMap BrowserFree3.2โ˜… (5)NoNoOct 2026
7Wavve Boating: GPS, Map, ChartWavve Boating: GPS, Map, ChartFree4.7โ˜… (6.6K)NoYesOct 2026
8Mapitare Terrain and Sea mapMapitare Terrain and Sea mapFreeโ€”NoYesAug 2026

Top Picks for Sea Map

C-MAP: Boating#1

C-MAP: Boating by Navico Norway AS

Charts, Planning & Navigation
4.5๐Ÿ˜ž(2.4K ratings)
FreeIn-App Purchases
C-MAP: Boating screenshot 1
C-MAP: Boating screenshot 2
C-MAP: Boating screenshot 3
C-MAP: Boating screenshot 4
C-MAP: Boating screenshot 5
C-MAP: Boating screenshot 6

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.

What We Love

  • ๐Ÿš€ Accurate maps and charts
  • ๐Ÿ‘ Easy to use and intuitive
  • ๐Ÿ“ Helpful for planning trips and routes
  • ๐Ÿ›ณ๏ธ Useful for both professionals and beginners
  • โš™๏ธ Detailed features like shaded relief and weather info

Room to Improve

  • ๐Ÿ› Frequent crashes and freezes
  • โš ๏ธ Unreliable GPS tracking and location updates
  • ๐Ÿ”Œ Offline maps and features not working as expected
  • ๐Ÿค” Confusing or missing functionality (e.g. route editing)
  • ๐Ÿ’ธ Expensive subscription, not worth the cost
Aqua Map Boating#2

Aqua Map Boating by GEC s.r.l.

Marine navigation and fishing
4.7๐Ÿ˜Š(14K ratings)
FreeIn-App Purchases
#93in Navigation
Aqua Map Boating screenshot 1
Aqua Map Boating screenshot 2
Aqua Map Boating screenshot 3
Aqua Map Boating screenshot 4
Aqua Map Boating screenshot 5
Aqua Map Boating screenshot 6

This app provides official, weekly updated nautical charts for marine navigation. It allows for offline map downloads, GPS track recording, and integration with onboard instruments. Enhance your boating safety and experience with advanced features like weather forecasts and AIS collision detection.

What We Love

  • ๐Ÿš€ Excellent navigation tool
  • ๐Ÿ‘ Easy to use and intuitive
  • ๐Ÿ—บ๏ธ Detailed and accurate charts
  • ๐Ÿ’ก Helpful features like AIS, weather, and fuel prices
  • ๐Ÿค Responsive and helpful customer support

Room to Improve

  • ๐Ÿ› Occasional issues with map downloads and disappearing charts
  • ๐Ÿ” Lack of intuitive route planning functionality
  • ๐Ÿ” Slow map loading and tracking issues in certain areas
  • ๐Ÿ’ฐ Subscription model with additional costs for map downloads
i-Boating: Marine Charts & Gps#3

i-Boating: Marine Charts & Gps by Bist LLC

Lake Depth Map,Sailing Plotter
4.5๐Ÿ˜Š(15K ratings)
FreeIn-App Purchases
i-Boating: Marine Charts & Gps screenshot 1
i-Boating: Marine Charts & Gps screenshot 2
i-Boating: Marine Charts & Gps screenshot 3
i-Boating: Marine Charts & Gps screenshot 4
i-Boating: Marine Charts & Gps screenshot 5
i-Boating: Marine Charts & Gps screenshot 6

Navigate waterways with detailed marine charts and GPS. Features include route planning, voice-guided navigation, tide and current predictions, and track recording. Offers extensive map coverage for various regions and inland rivers.

What We Love

  • ๐Ÿš€ Accurate GPS and navigation
  • ๐Ÿ—บ๏ธ Detailed nautical charts
  • ๐Ÿ“Š Helpful fishing and structure information
  • ๐Ÿ” Useful for finding unexplored fishing spots
  • ๐Ÿ’ป Offline functionality works well

Room to Improve

  • ๐ŸŒ GPS/location issues, inaccurate positioning
  • ๐Ÿ’ฐ Expensive recurring subscription model
  • ๐Ÿ” Difficulty restoring purchased content on new devices
  • ๐Ÿ”ง Poor customer support and lack of response
  • ๐Ÿ“ฆ Missing coverage for some lakes/waterways

More Sea Map apps to explore

FAQ about Sea Map

What are the best sea map apps for iPhone?
C-MAP: Boating tops our sea map apps ranking as of October 2026, with a 4.5-star average from 2.4K App Store ratings, and it's free to download.
Yes โ€” 20 of the top sea map apps we rank are free to download, including C-MAP: Boating and Aqua Map Boating.
C-MAP: Boating has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 238+ sea map apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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