# North Sails Sailscan vs SailViewer

The clearest difference is update cadence: North Sails Sailscan at every 4 days against SailViewer's every 2 weeks. North Sails Sailscan also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

North Sails Sailscan ships an update every 4 days, SailViewer every 2 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | North Sails Sailscan | SailViewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 154 MB | 51 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [North Sails Limited](https://appshunter.io/developer/1807046123) | [Master Sailing jdoo](https://appshunter.io/developer/1680451361) |

## What reviewers say

### North Sails Sailscan

[App page](https://appshunter.io/ios/app/north-sails-sailscan/id6757445890)

**In-app purchases:** none


### SailViewer

[App page](https://appshunter.io/ios/app/sailviewer/id6801887026)

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

**In-app purchases:** none


## Frequently asked questions

### Is North Sails Sailscan free?

North Sails Sailscan is free to download, with no in-app purchases.

### Is SailViewer free?

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

### Do North Sails Sailscan or SailViewer have ads?

Neither North Sails Sailscan nor SailViewer shows ads.

### Which is updated more often, North Sails Sailscan or SailViewer?

North Sails Sailscan ships an update every 4 days, and SailViewer every 2 weeks. Most recently, North Sails Sailscan was updated on November 5, 2026 and SailViewer on November 6, 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.*