# Sail Scan — AI Powered Sail Shape Analyzer

> AI Powered Sail Shape Analyzer (iPhone/iPad app by Nate McGuire.)

- Source: https://appshunter.io/ios/app/sail-scan/id6762089009 (this page in markdown: same URL + `.md`)
- Developer: [Nate McGuire](https://appshunter.io/developer/1132862136)
- Category: Sports, Navigation
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 30 MB
- Languages: American English
- Released: 2026-07-15
- Data updated: 2026-08-19
- User reviews in markdown: https://appshunter.io/ios/app/sail-scan/id6762089009/reviews.md

## What is Sail Scan?

SailScan is currently in beta.

SailScan turns your iPhone into a sail shape analyzer. SailScan's computer vision reads the trim stripes to measure what your eyes can't quantify. Measurements include:

• CAMBER DEPTH — how much shape you're carrying, stripe by stripe
• DRAFT POSITION — where the depth sits, front to back
• TWIST — how the top opens relative to the boom

SailScan works on mainsails and jibs, from small one-design boats to grand prix racers and superyachts. Make real-time adjustments, save your scans, build your library, and start connecting your rig settings to increase speed and progress on the water.

WHY IT MATTERS
Good trimmers develop an eye over decades. SailScan gives you the numbers behind that eye—so you can repeat fast settings, compare tack to tack, and debrief with data instead of memory.

HOW IT WORKS
1. Photograph your sail (main or jib) from below
2. SailScan detects the stripes and calculates shape metrics
3. Review, adjust, and save your scans
4. Compare scans across the day—track every setting change

BUILT BY SAILORS
SailScan was built by people who race and trim for a living. Join us!


## Version history (last 5 releases)

### 1.0.9 — 2026-08-14

Fixes a camera regression that could leave the preview blank or prevent capture. Improves camera startup and capture reliability, with recovery controls if the camera cannot start.

### 1.0.7 — 2026-08-11

• Fixes an issue where account-creation errors weren't shown — sign-up problems now display a clear message
• Clearer password requirements during sign-up
• Reliability improvements for login on poor connections

### 1.0.6 — 2026-08-10

• New Community Feed — see other sailors' sail scans, and share your own (opt-in)
• Capture, annotate, and share a scan straight from the Feed
• Sideways photos now auto-rotate and analyze correctly
• Full-resolution uploads and faster background uploading
• Editor improvements: higher zoom, better line adjustments
• Fixes and stability improvements

### 1.0.5 — 2026-07-23

Fixes an issue that could prevent the camera preview from starting after camera access was granted. Camera permission is now checked whenever the app returns to the foreground, so access changes made in Settings take effect immediately.

### 1.0.4 — 2026-07-23

Fixes an issue that could prevent the camera preview from starting after camera access was granted. Camera permission is now checked whenever the app returns to the foreground, so access changes made in Settings take effect immediately.

## Apps similar to Sail Scan

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [North Sails Sailscan](https://appshunter.io/ios/app/north-sails-sailscan/id6757445890) | — | Free | Sports |
| [SailWatcher – Sail Analysis](https://appshunter.io/ios/app/sailwatcher-sail-analysis/id6450710677) | — | Free | Sports |
| [Sea Current Measure Tool](https://appshunter.io/ios/app/sea-current-measure-tool/id6448216978) | 5.0 (1) | $17.99 | Sports |
| [U.S. SailGP Team](https://appshunter.io/ios/app/us-sailgp-team/id6742255321) | 5.0 (4) | Free | Sports |
| [Lights Out Sailing](https://appshunter.io/ios/app/lights-out-sailing/id6450532592) | 4.5 (8) | Free | Sports |
| [Avalanche Safety App](https://appshunter.io/ios/app/avalanche-safety-app/id6755426497) | — | Free | Sports |

## More apps by Nate McGuire

- [Recipeas](https://appshunter.io/ios/app/recipeas/id684038305)
- [What does the cow say](https://appshunter.io/ios/app/what-does-the-cow-say/id6767067530)

All apps by Nate McGuire: https://appshunter.io/developer/1132862136

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*