# Global Surface Winds vs YTT

The clearest difference is ads: YTT at none against Global Surface Winds's shown. YTT also leads on update cadence (every 4 months vs every 20 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Global Surface Winds ships an update every 20 months, YTT every 4 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Global Surface Winds | YTT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (6 ratings)](https://appshunter.io/ios/app/global-surface-winds/id1046919266/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 20 months | **Every 4 months** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 19 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [corey hoggard](https://appshunter.io/developer/1042853133) | [Logic Edge SL](https://appshunter.io/developer/1893195398) |

## What reviewers say

### Global Surface Winds

[App page](https://appshunter.io/ios/app/global-surface-winds/id1046919266)

Visualize global wind patterns with this interactive mapping application. It transforms data from the USDOC into an easy-to-use mobile tool for understanding wind conditions worldwide.

**Highlights:** Interactive wind mapping, Global wind data visualization, USDOC data integration, Mobile application interface, Ease of use

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

**In-app purchases:** none


### YTT

[App page](https://appshunter.io/ios/app/ytt-comparative-weather/id6762164508)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Global Surface Winds free?

Global Surface Winds is free to download, with no in-app purchases.

### Is YTT free?

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

### Do Global Surface Winds or YTT have ads?

Global Surface Winds shows ads; YTT does not.

### Which is updated more often, Global Surface Winds or YTT?

Global Surface Winds ships an update every 20 months, and YTT every 4 months. Most recently, Global Surface Winds was updated on October 29, 2026 and YTT on October 27, 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.*