March 2024:

iSailGPS App, version 9.4.5 released.

• Tap a Weather button to view the weather report for any location (iOS version ≥ 16.4).
• Shows whether you have chart stitching turned on or off by a slightly different icon for the Chart List tab.

January 2024:

iSailGPS App, version 9.4.4 released.

• The Chart List now shows additional information. Each chart which is no longer being updated by NOAA shows the date when NOAA last verified the RNC chart information.

October 2023:

iSailGPS App, version 9.4.3 released.

• Include both waypoints and routes in a single GPX file.
• Many iPad human interface enhancements.

September 2023:

iSailGPS App, version 9.4.1 released.

• Updated for iOS 17.
• Fixed Instructions Printing for iOS 16 users.

iSailGPS App, version 9.4.0 released.

• Tab bar icons now indicate Tracking on, navigation to a GoTo Waypoint on, and navigating with a Route on.
• Updated for iOS 17 Beta.
• For iOS 11 and iOS 10 use version 9.3.3.

July 2023:

iSailGPS App, version 9.3.4 released.

• Adds the United States National Grid (MGRS) as a location coordinates choice.
• Multiple Share Sheet improvements.
• Updated for iOS 17 Beta.
• For iOS 11, iOS 10, (and iOS 9) use version 9.3.3.

September 2022:

iSailGPS App, version 9.3.3 released.

• Updated for iOS 16.

February 2022:

iSailGPS App, version 9.3.2 released.

• Fixes a bug which prevented display of the NOAA charts for American Samoa.
• Displays the total storage space used by your downloaded charts.

October 2021:

iSailGPS App, version 9.3.1 released.

• Fixes iOS 9-only expired html security certificate problem.
• Updated user interface for iPad mini(6).

September 2021:

iSailGPS App, version 9.3.0 released.

• Updated for iOS 15.
• Updated for iPhone 13 and new iPads.

July 2021:

iSailGPS App, version 9.2.5 released.

• View the moon's phase.
• Create a waypoint by entering an address.
• Improved visual appearance when system settings specify Bold Text and/or Larger Text Size.

June 2021:

iSailGPS App, version 9.2.4 released.

• View and share a sun & moon Azimuth/Elevation plot and rise & set times for any date and time and for any place on earth.

May 2021:

iSailGPS App, version 9.2.2 released.

• Shows the estimated accuracy of the current SOG, VMG, COG and HDG readings.

March 2021:

iSailGPS App, version 9.2.1 released.

• Import routes from .TCX files.
• Doubles the number of routes allowed.

February 2021:

iSailGPS App, version 9.2.0 released.

• The Track screen now shows a graph of the Course (COG) as well as the Speed (SOG).
• Updated for iOS 14.4.

November 2020:

iSailGPS App, version 9.1.1 released.

• Changes the background color of the Estimated Time of Arrival according to the sun's position to warn you if you will be arriving after the sun sets at your destination.
• Updated for iPhone 12.

September 2020:

iSailGPS App, version 9.1.0 released.

• Updated for iOS 14.

iSailGPS App, version 9.0.8 released.

• Visual appearance updates and minor bug fixes.

August 2020:

iSailGPS App, version 9.0.7 released.

• Move a Route Waypoint on the My Location screen.

June 2020:

iSailGPS App, version 9.0.5 released.

• Download in one operation all of the charts necessary to view a waypoints, routes, or track log GPX file.
• Share your list of downloaded charts amongst all of your devices or with your friends.
• If the clipboard contains a location in the form latitude comma longitude in degrees, then pasting into either of a latitude field or a longitude field will fill both blank fields.

May 2020:

iSailGPS App, version 9.0.3 released.

• Shortcut access to Settings on the Help screen.

April 2020:

iSailGPS App, version 9.0.0 released.

• Supports multitasking on capable iPads.

December 2019:

iSailGPS App, version 8.3.3 released.

• Add waypoints from the Track screen.

November 2019:

iSailGPS App, version 8.3.2 released.

• Updates for iOS 13.2.

September 2019:

iSailGPS App, version 8.3.1 released.

• Updates for iOS 13 Share Sheets.

iSailGPS App, version 8.3.0 released.

• Updates for the launch of iOS 13.

August 2019:

iSailGPS App, version 8.2.9 released.

• Adds the ability to create a new route by reversing an existing route.

June 2019:

iSailGPS App, version 8.2.8 released.

• Eliminates potential sources of track recording interruption.

May 2019:

iSailGPS App, version 8.2.7 released.

• Place Name search is much faster. Switched from the USGS Place Name server to our own server.
• One step download of all available charts for a given location.

April 2019:

iSailGPS App, version 8.2.6 released.

• Updated for iOS 12.2 and the new iPads.

February 2019:

iSailGPS App, version 8.2.5 released.

• Improvements to the presentation of route and downloaded map information.
• Improvements when using an external keyboard.

January 2019:

iSailGPS App, version 8.2.4 released.

• Improvements to ease-of-use and the user interface.
• Magnetic Compass Declination is shown on the Sun and Moon screen.

November 2018:

iSailGPS App, version 8.2.3 released.

• Ready for iOS 12.1 and the new iPad Pros
• Paddling waypoint icon
• Select chart with new scale on the My Location screen

September 2018:

iSailGPS App, version 8.2.2 released.

• Ready for iPhone Xs, iPhone Xs Max, and iPhone Xr.

iSailGPS App, version 8.2.1 released.

• Move Waypoints visually on the chart screen.

August 2018:

iSailGPS App, version 8.2 released.

• Faster chart display.
• Ready for iOS 12.

iSailGPS App, version 8.1.9 released.

• Sun and Moon Azimuth-Elevation sky graph with Rise and Set times.
• Fixed a problem with swipe left delete on the Waypoints and Routes screens.

June 2018:

iSailGPS App, version 8.1.8 released.

• Quickly measure distance and direction between any two points on the chart.

iSailGPS App, version 8.1.7 released.

• Add Waypoints by marking a location on a Satellite Map.

May 2018:

iSailGPS App, version 8.1.6 released.

• Bug Fixes.

iSailGPS App, version 8.1.5 released.

• New track elapsed time, distance, and average speed display on the Track screen.

April 2018:

iSailGPS App, version 8.1.4 released.

• Select an arbitrary group of routes to export in a GPX or KML file.
• Delete individual track segments from a track recording.

iSailGPS App, version 8.1.3 released.

• Select an arbitrary group of waypoints to export in a GPX or KML file.
• Change waypoint icons of a group of waypoints in one operation.

iSailGPS App, version 8.1.2 released.

• Updated for iOS 11.3.
• Import Waypoints, Routes & Tracks using the  isailgps://  URL scheme.
• Performance improvements.

March 2018:

iSailGPS App, version 8.1.1 released.

• Import KML files containing waypoints, routes, and tracks.
• Updated chart stitching data for the latest chart versions.

iSailGPS App, version 8.1 released.

• Import of KML files.
• Requires iOS 9.3 or later

December 2017:

iSailGPS App, version 8.0.3 released.

• Fixed iOS 11 bugs in saving images to Photos and deleting lines in search-mode table views.

November 2017:

iSailGPS App, version 8.0.2 released.

• Several minor appearance bugs repaired.

iSailGPS App, version 8.0 released.

• Updated for iOS 11 and iPhone X.

August 2017:

iSailGPS App, version 7.1.3 released.

• Choose from a selection of waypoint icons.

May 2017:

iSailGPS App, version 7.1.2 released.

• Toggle on and off the display of all waypoints except those being used to navigate.

April 2017:

iSailGPS App, version 7.1.1 released.

• Create a new waypoint by entering the direction and distance from a known point.
• Added a Delete All option on the Chart List screen.

March 2017:

iSailGPS App, version 7.1 released.

• Download up to 750 charts.
• Get driving directions to the route start with a single tap.
• Removed chart display glitch when zoomed out on the iPad Pro.

December 2016:

iSailGPS App, version 7.0.2 released.

• Updated for iOS 10.2.
• Removed chart display glitch when zoomed out on the iPhone 7 and 7 Plus.

iSailGPS App, version 7.0.1 released.

• Improved Visual Appearance and Usability

November 2016:

iSailGPS App, version 7.0 released.

• Search USA states and territories Place Name database to add waypoints.
• New tap-saving shortcuts.
• Print the Owner’s Manual from inside the app (iOS 9 or later).

September 2016:

iSailGPS App, version 6.3.6 released.

• Last Version to Support iOS 5 and iOS 6

August 2016:

iSailGPS App, version 6.3.2 released.

• Improved Help Screen Navigation

iSailGPS App, version 6.3.1 released.

• Improved margin removal for odd shaped charts.

July 2016:

iSailGPS App, version 6.3 released.

• Enhanced Route Editing.

May 2016:

iSailGPS App, version 6.2 released.

• Long Tap on "Go To" instantly starts navigation on the chart screen.
• Improved Chart Stitching

October 2015:

iSailGPS App, version 6.1 released.

• Updated for iOS 9.

August 2015:

iSailGPS App, version 6.0 released.

• Stitches charts for seamless coverage across chart boundaries.

June 2015:

iSailGPS App, version 5.2.2 released.

• Send a KML file for any location directly for display in Google Earth.
• Fixes a problem with the Save Track as a Route action on the Track Screen.

iSailGPS App, version 5.2 released.

• Search Waypoints and Routes.

May 2015:

iSailGPS App, version 5.1 released.

• Show waypoints along the track on the speed graph.
• Send KML files directly for display in Google Earth.
• More convenient chart downloading.
• Updated for iOS 8.3.

January 2015:

iSailGPS App, version 5.0.3 released.

• User Interface Improvements on the iPhone 6, iPhone 6 Plus, and iPad.

October 2014:

iSailGPS App, version 5.0 released.

• Updated for iOS 8, iPhone 6, and iPhone 6 Plus.

September 2014:

iSailGPS App, version 4.6 released.

• One button MOB (Man Overboard) function.

June 2014:

iSailGPS App, version 4.5.1 released.

• Fixed a problem with zooming out on large charts on the iPhone 3GS and the original iPad.

May 2014:

iSailGPS App, version 4.5 released.

• New HD NOAA charts with 400 dpi resolution to take full advantage of the Retina display.
• Print charts overlaid with waypoints, routes and tracks.
• AirDrop chart images to your friends while at sea, even with no Internet connection.

April 2014:

iSailGPS App, version 4.4 released.

• Post locations and topo map images to Twitter, Facebook, Messages and email.
• AirDrop sharing of waypoints, routes and tracks while at sea, even with no Internet connection.
• Share GPX files using iMessage and “Open In” another app.

March 2014:

iSailGPS App, version 4.3 released.

• View the Cross Track Error while navigating routes with waypoints.
• Updated for iOS 7.1

January 2014:

iSailGPS App, version 4.2 released.

• Beautiful New iOS 7 Interface.

September 2013:

iSailGPS App, version 4.1 released.

• Select a Waypoint to Go To or Edit while on the main map screen.
• Includes the Date and Time in the Note of a Waypoint Marked at your current location.
• Record a track log that is twice as long.
• Search Place Names using the USGS Geographic Names database.

February 2013:

iSailGPS App, version 4.0 released.

• Show the Estimated Time of Arrival at all Waypoints on a Route.
• View Date, Time, and Average Speed on the Speed Graph.
• Refine the Position of a Waypoint when you Arrive.
• Choose Individual Track Segments to View on the Speed Graph.
• Read with Ease from a Distance with Larger Font Sizes on your iPad.
• Download the Charts you need from wherever you are in the App.

September 2012:

iSailGPS App, version 3.5 released.

• Updated for the iPhone 5 and iOS 6.

June 2012:

iSailGPS App, version 3.4 released.

• Display of Velocity Made Good (VMG) when navigating.
• Route page shows the bearing between route waypoints.

March 2012:

iSailGPS App, version 3.3 released.

• Create a new waypoint by tapping a Geotagged photo.
• Support for the Retina display featured on the new iPad.

January 2012:

iSailGPS App, version 3.2 released.

• Quickly measure distance and direction to any point on a chart.

November 2011:

iSailGPS App, version 3.1 released.

• Displays percentage of track memory used.
• Safeguards your stored charts against deletion by iOS 5. Updating to both Apple’s iOS 5.0.1 and iSailGPS 3.1 will protect your downloaded charts.

October 2011:

iSailGPS App, version 3.0 released.

• Create, Edit, Navigate and Share Routes with Waypoints, and Routes with a Path.
• GPX Import/Export of Routes and Tracks.
• New updated look. User interface enhancements.

July 2011:

iSailGPS App, version 2.0 released.

• Course Indicator shows direction and speed on the chart.
• Direction shown in Degrees True or Degrees Magnetic.
• Delete All Waypoints with a single tap.
• View the chart border lines to check what you've downloaded.
• Show or Hide your Waypoint Notes on the chart.

April 2011:

iSailGPS iOS App, version 1.0 released.

• View NOAA Marine Charts for USA waters even with no cell network connection.
• View track on the chart and its speed profile.
• Automatic chart switching as you travel.
• Set a Go To waypoint to see heading, distance, direction and Estimated Time of Arrival.
• Share your tracks and waypoints with friends.