# Wind Triangle vs GoFly

The clearest difference is price: GoFly at Free against Wind Triangle's $2.99. GoFly also leads on update cadence (weekly vs every 2 months). Wind Triangle's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

GoFly is free to download; Wind Triangle costs $2.99 up front. GoFly sells 3 in-app purchases, starting at $4.99 per month. Wind Triangle asks for nothing beyond the download.

Wind Triangle ships an update every 2 months, GoFly weekly. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Wind Triangle | GoFly |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.4 (18 ratings)](https://appshunter.io/ios/app/gofly-e6b-aviation-calculator/id6788937279/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 22 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Small Aviation Tools](https://appshunter.io/developer/1887792413) | [Trevor Welsh](https://appshunter.io/developer/1629778950) |

## What reviewers say

### Wind Triangle

[App page](https://appshunter.io/ios/app/wind-triangle/id6761390120)

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

**In-app purchases:** none


### GoFly

[App page](https://appshunter.io/ios/app/gofly-e6b-aviation-calculator/id6788937279)

This aviation calculator provides pilots with fast, accurate flight planning tools. It features a live wind triangle, detailed calculation breakdowns, and core E6B functions. The app also includes a METAR decoder and weight & balance calculations, with offline functionality for most features.

**Highlights:** Live wind triangle with redraws, Detailed calculation breakdowns ('Show the Work'), Core E6B tools (TAS, density altitude, time/speed/distance, fuel, crosswind), METAR decoder for live weather reports, Weight & balance calculations with saved aircraft presets, Offline functionality for calculations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GoFly Monthly | $4.99 | per month |
| GoFly Yearly | $29.99 | per year |
| GoFly Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Wind Triangle free?

Wind Triangle costs $2.99, with no in-app purchases.

### Is GoFly free?

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

### Do Wind Triangle or GoFly have ads?

Neither Wind Triangle nor GoFly shows ads.

### Which is updated more often, Wind Triangle or GoFly?

Wind Triangle ships an update every 2 months, and GoFly weekly. Most recently, Wind Triangle was updated on November 9, 2026 and GoFly on November 10, 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.*