Wärtsilä iSailor Downloads & RevenueWärtsilä iSailor · App Store
Wärtsilä iSailor is #8 in Navigation Grossing in Indonesia and charting in 9 of 30 countries we track.
Updated 8 Nov 2026 · rankings refresh through the day
Full timeline · 16 events
- 📈Wärtsilä iSailor entered the top 10Top Grossing · Navigation · IN
- 📈Wärtsilä iSailor entered the top 100Top Grossing · Navigation · CA
- 📈Wärtsilä iSailor charting in a new countryCanada
- 📈Wärtsilä iSailor entered the top 100Top Grossing · Navigation · IT
- 📈Wärtsilä iSailor charting in a new countryItaly
- 📈Wärtsilä iSailor entered the top 100Top Free · Navigation · ID
- 📈Wärtsilä iSailor entered the top 100Top Grossing · Navigation · KR
- 📈Wärtsilä iSailor charting in a new countrySouth Korea
- 📈Wärtsilä iSailor entered the top 100Top Grossing · Navigation · BR
- 📈Wärtsilä iSailor charting in a new countryBrazil
- 📈Wärtsilä iSailor entered the top 100Top Grossing · Navigation · DE
- 📈Wärtsilä iSailor charting in a new countryGermany
- 🆕Wärtsilä iSailor first spotted by AppInsider#100 in Top Grossing · Navigation · France
- 📦Wärtsilä iSailor version 1.13.4No release notes
- 🆕Wärtsilä iSailor released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Wärtsilä iSailor at a glance
AI summary written from our chart and store data, 2026-11-02. It can be wrong: check the numbers above.
Wärtsilä iSailor is a free marine and river navigation app for amateur seafarers that provides vector charts, GPS positioning, and optional sensor integrations. The app ranks #2 in Navigation Grossing in Indonesia and holds top-100 positions in several other markets including Italy, UAE, Saudi Arabia, China, Australia, UK, Japan, Germany, and France.
Similar apps: Navionics, C-MAP, Boating Buddy
Wärtsilä iSailor on the App Store
App details
Wärtsilä iSailor downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where Wärtsilä iSailor's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
How this is calculated
Business model: In-app purchase-led
How Wärtsilä iSailor makes money: subscriptions, one-off purchases and ads.
Top in-app purchases · App Store US, most popular first
| 1 | USA. Nantucket to Cap May, NJ | |
| 2 | USA. Atlantic Coast. Florida | |
| 3 | USA. Gulf Coast. Florida | |
| 4 | USA. Ri to the Canadian border | |
| 5 | USA. Norfolk to Jacksonville | |
| 6 | USA.Chesapeake & Delaware bays | |
| 7 | Caribbean Sea. Lesser Antilles | |
| 8 | AIS Receiver Support | |
| 9 | USA. Pacific Coast. WA | |
| 10 | Internet AIS Service 1 year subscription subscription |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| NavigationGrossing | #8 | |
| NavigationGrossing | #64 | |
| NavigationGrossing | #80 | |
| NavigationGrossing | #54 | |
| NavigationGrossing | #68 | |
| NavigationGrossing | #63 | |
| NavigationGrossing | #71 | |
| NavigationGrossing | #83 | |
| NavigationFree | #77 | |
| NavigationGrossing | #84 |
Apps near Wärtsilä iSailor on the chart
Navigation Grossing, around #8.
Ratings
App Store, worldwide.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about Wärtsilä iSailor
From the 50 most recent App Store reviews in the US.
Users express severe dissatisfaction with the shift to a subscription model, citing unexpected price hikes and loss of access to previously purchased charts. Technical issues such as missing data, broken AIS features, and unresponsive customer support have led many long-term users to abandon the app.
Mostly negative (24% of recent reviews give 4–5 stars). People like it for good value, and its features and content. The main complaints are about price and subscriptions, and recent updates. Recent reviews are more positive than earlier ones.
What people like
- Price & subscription: “Great app, love the subscription model”
- Features & content: “It has tons of great features which well worth the price”
- Updates: “Too bad there hasn’t been any updates in the last years”
- Ease of use: “It is easy to use, intuitive, and a powerful piloting tool”
Common complaints
- Price & subscription: “Subscription Service Fail”
- Updates: “App is not supported or updated”
- Customer support: “Extremely poor customer service”
- Crashes & bugs: “No updates in years and the support site doesn’t work”
About Wärtsilä iSailor
iSailor provides a clear presentation of navigational information, electronic charts and additional content.
TX-97 vector charts supported by iSailor are recognized worldwide as one of the most accurate and reliable sources of navigational information.
Chart folios can be purchased and downloaded in the iSailor Chart Store utilizing the standard iTunes Store payment/purchasing procedure. Chart correction service is provided on annual basis via the auto-renewable subscription service. iTunes will charge payment after confirmation of the chart correction purchase. You may manage your subscriptions and turn off the auto-renewal service in the Account Settings. Your subscription will automatically renew unless auto-renewal is turned off at least 24 hours before the end of the subscription period. You can cancel your subscription in the Chart Store any time. All previously purchased chart folios will remain available for you and can be restored from the service via the Chart Restore function. To receive subsequent chart corrections for your purchased charts, you will need to subscribe to the annual updates in the Chart Store.
The application works on iPhone and iPad using built-in GPS, NMEA Wi-Fi GPS or an external Bluetooth GPS.
Supported devices (iOS version 11 and higher):
• iPhone 5S or higher
• iPad 5 generation or higher
iSailor features:
• Positioning system: iOS (Built-In GPS), NMEA GPS or AIS Class B (Option)
• AIS Class A NavData interface (Option)
• NMEA Heading and Rate-Of-Turn sensors (Option)
• NMEA Echo Sounder with a graphical 2D echogram and water temperature sensor (Option)
• NMEA Wind Sensor, including True & Relative wind calculation (Option)
• NMEA Autopilot interface (Option)
• Display of charts, routes, track(s) and user objects
• AIS target presentation. Target contours and dimensions (Option)
• Internet AIS service (Optional subscription)
• Weather service (Optional subscription)
• Tides and tidal currents (Optional subscription)
• Sailing guides, regional marinas (Optional subscription)
• North Up, COG Up, Head Up and Route Up chart orientations
• Information on any vector chart objects
• Free cursor, Point-To-Point and Own ship referenced ERBL functionality
• Monitoring of navigational data: Position, Course (COG) and Speed Over Ground (SOG)
• Route creation by the graphic and tabular methods. “Go To” routes.
• Waypoint monitoring: Bearing to WP, Distance to WP, XTD, Time-To-Go and ETA
• Schedule information: Time-To-Go and ETA to any selected waypoint ahead
• Multi-language support
• Multi-unit support
• Custom track colors
• Day and night chart palettes
• Alarm monitoring functionality
• Route, track and user object: export/import via GPX, KML and KMZ formats
• Advanced Logging and Playback function (Option)
• User object sharing via Facebook, Twitter, iMessenger, eMail
NOTE: Continuous use of the GPS running in the back
Latest updates
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