# BOISW vs Sail Scan

The clearest difference is update cadence: Sail Scan at daily against BOISW's every 8 months. BOISW's advantage is iOS requirement (12.0 vs 15.1). 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.

BOISW ships an update every 8 months, Sail Scan daily. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | BOISW | Sail Scan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Daily** |
| Size | 83 MB | 30 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yachting New Zealand](https://appshunter.io/developer/1475434884) | [Nate McGuire](https://appshunter.io/developer/1132862136) |

## What reviewers say

### BOISW

[App page](https://appshunter.io/ios/app/boisw/id1490026405)

**In-app purchases:** none


### Sail Scan

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

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

**In-app purchases:** none


## Frequently asked questions

### Is BOISW free?

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

### Is Sail Scan free?

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

### Do BOISW or Sail Scan have ads?

Neither BOISW nor Sail Scan shows ads.

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

BOISW ships an update every 8 months, and Sail Scan daily. Most recently, BOISW was updated on September 22, 2026 and Sail Scan on September 11, 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.*