Best Isailor Apps

250+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated September 2026

With an average user rating of 3.9★, the isailor category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Isailor Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Wärtsilä iSailorWärtsilä iSailorFree3.1★ (11)NoYesSep 2026
2Navionics® BoatingNavionics® BoatingFree2.9★ (2.3K)NoYesSep 2026
3iNavX: Marine NavigationiNavX: Marine NavigationFree4.8★ (22K)YesYesSep 2026
4SailFreeGPSSailFreeGPSFree4.2★ (10)YesYesAug 2026
5i-Boating: Marine Charts & Gpsi-Boating: Marine Charts & GpsFree4.5★ (15K)NoYesSep 2026
6PRO CHARTS - Marine NavigationPRO CHARTS - Marine NavigationFree4.5★ (8.5K)NoYesSep 2026
7C-MAP: BoatingC-MAP: BoatingFree4.5★ (2.3K)NoYesSep 2026
8iSailGPS : NOAA USA RNC ChartsiSailGPS : NOAA USA RNC Charts$7.993.9★ (72)NoNoAug 2026

Top Picks for Isailor

Wärtsilä iSailor#1

Wärtsilä iSailor by Wartsila Voyage Sweden AB

World's leading sailing app
Editor's Choice
🗺️ Navigation
3.1😐(11 ratings)
FreeIn-App Purchases
Wärtsilä iSailor screenshot 1
Wärtsilä iSailor screenshot 2
Wärtsilä iSailor screenshot 3
Wärtsilä iSailor screenshot 4

This marine navigation app offers clear presentation of navigational information and electronic charts for amateur seafarers. It supports accurate TX-97 vector charts and provides various optional services like weather and AIS data.

What We Love

  • ✨ Excellent app for navigation
  • 🗺️ Accurate and detailed charts
  • 💰 Good value for money
  • 🛳️ Reliable for offshore sailing
  • 🔍 Helpful features like anchor alarm

Room to Improve

  • 🐛 Crashes and bugs after updates
  • 🔄 Issues with restoring purchased charts
  • 💰 Expensive subscription model for chart updates
  • 🗺️ Missing or incomplete chart data in some regions
  • 🔧 Poor customer support and lack of communication
Navionics® Boating#2

Navionics® Boating by Garmin

Nautical and fishing charts
Strong Contender
🗺️ Navigation
2.9😞(2.3K ratings)
FreeIn-App Purchases
#5in Navigation
Navionics® Boating screenshot 1
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Navionics® Boating screenshot 3
Navionics® Boating screenshot 4
Navionics® Boating screenshot 5
Navionics® Boating screenshot 6

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.

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
iNavX: Marine Navigation#3

iNavX: Marine Navigation by NavX Studios LLC

Sailing & Boating Chartplotter
Worth Considering
🗺️ Navigation
4.8😐(22K ratings)
FreeAdsIn-App Purchases
iNavX: Marine Navigation screenshot 1
iNavX: Marine Navigation screenshot 2
iNavX: Marine Navigation screenshot 3
iNavX: Marine Navigation screenshot 4
iNavX: Marine Navigation screenshot 5
iNavX: Marine Navigation screenshot 6

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.

What We Love

  • 🚀 Accurate and precise navigation
  • 📊 Comprehensive charting and navigation features
  • 🛠️ Customizable instrument settings
  • 🔄 Redundancy across devices
  • 💨 Reliable performance over many years

Room to Improve

  • 🤔 Clunky and unintuitive user interface
  • 🗺️ Cumbersome chart management and downloading
  • 🔋 Battery drain issues
  • 💰 Expensive subscription model for charts
  • 🐛 Stability issues and crashes

More Isailor apps to explore

FAQ about Isailor

What are the best isailor apps for iPhone?
Wärtsilä iSailor tops our isailor apps ranking as of September 2026, with a 3.1-star average from 11 App Store ratings, and it's free to download.
Yes — 19 of the top isailor apps we rank are free to download, including Wärtsilä iSailor and Navionics® Boating.
Wärtsilä iSailor has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ isailor apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Wärtsilä iSailor is a marine and river navigation application designed for amateur seafarers. It provides a clear presentation of navigational information, electronic charts, and additional content to aid in safe navigation on the water.
Chart folios can be purchased and downloaded directly within the app through the iSailor Chart Store, utilizing the standard iTunes Store payment system. All previously purchased chart folios can be restored.

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