# WindCheck vs SkyQuantSD

The clearest difference is in-app purchases: SkyQuantSD at none against WindCheck's 2. WindCheck's advantage is device support (4 vs 2) and iOS requirement (15.6 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. WindCheck sells 2 in-app purchases, starting at $4.99 per month. SkyQuantSD asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 9, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | WindCheck | SkyQuantSD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (165 ratings)](https://appshunter.io/ios/app/windcheck/id892063425/reviews)** | — |
| Number of ratings | **165** | — |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 160 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [LycheeApps Inc.](https://appshunter.io/developer/1491686290) | [Kyle Schaller](https://appshunter.io/developer/1883545800) |

## What reviewers say

### WindCheck

[App page](https://appshunter.io/ios/app/windcheck/id892063425)

This application provides pilots with essential flight planning and navigation tools. It offers global weather data, airport information, and real-time traffic updates. Access runway diagrams, procedure charts, and a smart compass for enhanced situational awareness.

**Highlights:** Global METARs and TAFs, TFRs and NOTAMs, 3D Bird's Eye runway view, Airport diagrams and charts, VFR/IFR sectionals (US), Live ADS-B traffic, Offline airport data

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| U.S. Pilot (monthly) | $4.99 | per month |
| U.S. Pilot (annual) | $49.99 | per year |


### SkyQuantSD

[App page](https://appshunter.io/ios/app/skyquantsd/id6811400666)

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

**In-app purchases:** none


## Frequently asked questions

### Is WindCheck free?

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

### Is SkyQuantSD free?

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

### Do WindCheck or SkyQuantSD have ads?

Neither WindCheck nor SkyQuantSD shows ads.

### Which is updated more often, WindCheck or SkyQuantSD?

WindCheck ships an update weekly, and SkyQuantSD weekly. Most recently, WindCheck was updated on November 9, 2026 and SkyQuantSD on October 29, 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.*