# WindsAloftPro vs Clear Sky+

The clearest difference is update cadence: Clear Sky+ at fortnightly against WindsAloftPro's every 6 months. WindsAloftPro's advantage is device support (3 vs 1) and iOS requirement (15.2 vs 27.0). On price, ads and in-app purchases there is nothing between them.

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

WindsAloftPro ships an update every 6 months, Clear Sky+ fortnightly. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | WindsAloftPro | Clear Sky+ |
| --- | --- | --- |
| Price | Free | Free |
| 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 | **Fortnightly** |
| Monetization | Free | — |
| Size | 7 MB | 24 MB |
| Requires iOS | **15.2** | 27.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tremont Air, LLC](https://appshunter.io/developer/309321587) | [Calvin Fraites](https://appshunter.io/developer/1802751239) |

## 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


### Clear Sky+

[App page](https://appshunter.io/ios/app/clear-sky-plus/id6751154658)

**In-app purchases:** none


## Frequently asked questions

### Is WindsAloftPro free?

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

### Is Clear Sky+ free?

Clear Sky+ is free to download, with no in-app purchases.

### Do WindsAloftPro or Clear Sky+ have ads?

Neither WindsAloftPro nor Clear Sky+ shows ads.

### Which is updated more often, WindsAloftPro or Clear Sky+?

WindsAloftPro ships an update every 6 months, and Clear Sky+ fortnightly. Most recently, WindsAloftPro was updated on October 4, 2026 and Clear Sky+ on October 11, 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.*