# WindsAloftPro vs Airro E6B

The clearest difference is price: WindsAloftPro at Free against Airro E6B's $1.99. WindsAloftPro also leads on update cadence (every 6 months vs every 40 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

WindsAloftPro is free to download; Airro E6B costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WindsAloftPro ships an update every 6 months, Airro E6B every 40 months. The most recent releases landed on June 5, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | WindsAloftPro | Airro E6B |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/windsaloftpro/id1610049530/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 40 months |
| Monetization | Free | — |
| Size | 7 MB | 1 MB |
| Requires iOS | **15.2** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tremont Air, LLC](https://appshunter.io/developer/309321587) | [Christian van der Meij](https://appshunter.io/developer/571706052) |

## What reviewers say

### WindsAloftPro

[App page](https://appshunter.io/ios/app/windsaloftpro/id1610049530)

This app calculates winds aloft for U.S. locations, providing data from 5000 to 39000 feet. It can also display crosswinds along your route and allows manual adjustment of climb and descent biases for various aircraft.

**Highlights:** Winds aloft calculation, Crosswind display, Climb/descent bias modification, U.S. location support, Altitude range 5000-39000 ft

**Features:** macOS Compatibility

**In-app purchases:** none


### Airro E6B

[App page](https://appshunter.io/ios/app/airro-e6b/id6444861966)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WindsAloftPro free?

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

### Is Airro E6B free?

Airro E6B costs $1.99, with no in-app purchases.

### Do WindsAloftPro or Airro E6B have ads?

Neither WindsAloftPro nor Airro E6B shows ads.

### Which is updated more often, WindsAloftPro or Airro E6B?

WindsAloftPro ships an update every 6 months, and Airro E6B every 40 months. Most recently, WindsAloftPro was updated on June 5, 2026 and Airro E6B on September 12, 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.*