# CYCRTM Scratch Book vs Sail Scan

The clearest difference is update cadence: Sail Scan at daily against CYCRTM Scratch Book's every 10 days. Sail Scan also leads on ratings volume (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for CYCRTM Scratch Book against 5.0 for Sail Scan. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

CYCRTM Scratch Book ships an update every 10 days, Sail Scan daily. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CYCRTM Scratch Book | Sail Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/cycrtm-scratch-book/id6745112349/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/sail-scan/id6762089009/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | — | Free |
| Size | 29 MB | 34 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chicago Yacht Club](https://appshunter.io/developer/1460598875) | [Sail Scan LLC](https://appshunter.io/developer/6820238278) |

## What reviewers say

### CYCRTM Scratch Book

[App page](https://appshunter.io/ios/app/cycrtm-scratch-book/id6745112349)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is CYCRTM Scratch Book free?

CYCRTM Scratch Book is free to download, with no in-app purchases.

### Is Sail Scan free?

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

### Which has better reviews, CYCRTM Scratch Book or Sail Scan?

CYCRTM Scratch Book and Sail Scan are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do CYCRTM Scratch Book or Sail Scan have ads?

Neither CYCRTM Scratch Book nor Sail Scan shows ads.

### Which is updated more often, CYCRTM Scratch Book or Sail Scan?

CYCRTM Scratch Book ships an update every 10 days, and Sail Scan daily. Most recently, CYCRTM Scratch Book was updated on October 25, 2026 and Sail Scan on October 24, 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.*