Founding places open for 2027 season
From race course to navigation.
Turn the race officer's course into a navigable route in minutes.
iPad first · works offline · Try the demo →
How it works
Tap the marks. Pick the rounding. Sail.
1
Tap the marks as they're read out
Your area's race marks are already on the chart. Tap them in order and the route draws as you go.
2
Port or starboard in one tap
Set the rounding for each mark. A mark that isn't charted? Long-press the chart to drop one.
3
Always know the next mark
Bearing, distance and ETA to the next mark, moving on automatically as you round each one.
Course shortened? Change it while racing.
Finish at mark 3, or switch mark 4 from starboard to port, in seconds. The route updates without being rebuilt, and the course sheet stays in step with the chart.
Works offline with the tablet's own GPS. No instruments or setup.
Try the online demo →Founding ProSail
Help us make the version you actually want.
Founding members get the early version first, a direct line to the people building it, and a real say in every release that follows.
For navigators
Founding ProSail Navigator
£39for the first year
- Use the early version through the 2027 season
- Your feedback directly shapes the product
- Keep your introductory price for as long as you stay subscribed
For clubs and teams
Founding Club Pilot
£149for the first year
- One club or team, up to 10 users
- The full 2027 season
- Direct access to the development team