# Sail Scan vs Tidey

The clearest difference is in-app purchases: Sail Scan at none against Tidey's 1. Sail Scan also leads on update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tidey sells 1 in-app purchase, starting at $24.99 per year. Sail Scan asks for nothing beyond the download.

Sail Scan ships an update daily, Tidey every 2 weeks. The most recent releases landed on October 15, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Sail Scan | Tidey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sail-scan/id6762089009/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | Free | — |
| Size | 34 MB | 31 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sail Scan LLC](https://appshunter.io/developer/6820238278) | [Robin Stein](https://appshunter.io/developer/6793937711) |

## What reviewers say

### Sail Scan

[App page](https://appshunter.io/ios/app/sail-scan/id6762089009)

This app uses your phone's camera to analyze sail shape by reading trim stripes. It provides detailed measurements like camber depth, draft position, and twist, helping sailors make real-time adjustments to improve speed and performance. Save your scans, build a library, and connect rig settings to your progress on the water.

**Highlights:** AI-powered sail shape analysis, Measures camber depth, draft position, and twist, Works on mainsails and jibs, Real-time adjustments, Save and build sail scan library, Compare scans and track settings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Tidey

[App page](https://appshunter.io/ios/app/tidey/id6793937709)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Solent Access | $24.99 | per year |


## Frequently asked questions

### Is Sail Scan free?

Sail Scan is free to download, with no in-app purchases.

### Is Tidey free?

Tidey is free to download, with in-app purchases available.

### Do Sail Scan or Tidey have ads?

Neither Sail Scan nor Tidey shows ads.

### Which is updated more often, Sail Scan or Tidey?

Sail Scan ships an update daily, and Tidey every 2 weeks. Most recently, Sail Scan was updated on October 15, 2026 and Tidey on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*