# Windtracker.app vs SailViewer

The clearest difference is in-app purchases: SailViewer at none against Windtracker.app's 2. Windtracker.app's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Windtracker.app sells 2 in-app purchases, starting at $6.99 per month. SailViewer asks for nothing beyond the download.

## The numbers

| Metric | Windtracker.app | SailViewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 45 MB | 28 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fred Contat](https://appshunter.io/developer/1866229921) | [Master Sailing jdoo](https://appshunter.io/developer/1680451361) |

## What reviewers say

### Windtracker.app

[App page](https://appshunter.io/ios/app/windtrackerapp/id6757343051)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Windtracker Premium Monthly | $6.99 | per month |
| Windtracker Premium Yearly | $49.90 | per year |


### SailViewer

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Windtracker.app free?

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

### Is SailViewer free?

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

### Do Windtracker.app or SailViewer have ads?

Neither Windtracker.app nor SailViewer shows ads.

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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.*