SailScan: Sail Shape & Trim

SailScan: Sail Shape & Trim

Measure camber, draft & twist

3 ratings
1 review
Free

Details

Released
July 15, 2026
Updated
November 3, 2026

Features

SailScan: Sail Shape & Trim screenshot #1 for iPhone
SailScan: Sail Shape & Trim screenshot #2 for iPhone
SailScan: Sail Shape & Trim screenshot #3 for iPhone
SailScan: Sail Shape & Trim screenshot #4 for iPhone
SailScan: Sail Shape & Trim screenshot #5 for iPhone
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About

This app uses your phone's camera to analyze sail shape by identifying draft stripes. It provides detailed measurements like camber, draft position, entry, exit, and twist for each stripe. You can also log environmental data and compare scans over time.

✓Measures camber, draft, and twist
✓Identifies draft stripes from photos
✓Logs wind speed, angle, boat speed, heel, and GPS
✓Compares tack-to-tack and day-to-day scans
✓Generates shareable reports
✓Exports data as CSV
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What's New in SailScan

1.0.13

November 3, 2026

- Change sail type: switch a scan between main and jib from the results screen, and the numbers update. - Sign in now has an "I agree to the Terms of Service and Privacy Policy" checkbox. You only tick it once. - New Settings screen. Scans are kept to improve SailScan; turn off "Keep my scans to improve SailScan" any time. - Faster first scan after opening the app. - Fixes and polish.

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User reviews

Best sailing app!

Very accurate. Made me faster

FAQ

What does SailScan measure on a sail?

SailScan measures key aspects of sail shape, including camber, draft position, entry, exit, and twist for each identified draft stripe. It uses a vision model trained on real racing sails for accuracy.

Can SailScan be used for different types of boats?

Yes, SailScan is designed to work with mainsails and jibs on a wide range of boats, from RC boats to super maxis. It's a versatile tool for various sailing disciplines.

Does SailScan have ads?

No, SailScan is ad-free. It is a free application open to everyone, allowing for an uninterrupted user experience focused on sail analysis.

How does SailScan help improve sailing performance?

By providing detailed measurements of sail shape and allowing comparison over time, SailScan helps sailors understand how their sails are performing. This information can be used to make adjustments for optimal trim and speed.

What kind of data can be logged with SailScan?

With each scan, SailScan can log important environmental and performance data, including wind speed, wind angle, boat speed, heel angle, and GPS location. This provides context for sail shape analysis.

Can I share my sail analysis data with others?

Yes, SailScan allows you to share reports of your sail analysis. You can also export your data as a CSV file for further analysis or record-keeping.

Is SailScan suitable for competitive racing?

SailScan can be a valuable training tool for racers. However, it's recommended to check your specific class rules before using it during official races.

What devices does SailScan support?

SailScan is available for iPhone and iPad devices. It is designed to leverage the camera capabilities of these Apple devices for its analysis.