WindsAloftPro vs Clear Sky+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WindsAloftPro
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.
- Winds aloft calculation
- Crosswind display
- Climb/descent bias modification
- U.S. location support
- Altitude range 5000-39000 ft
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Calculates winds aloft for U.S. locations from 5000 feet to 39000 feet. Crosswinds can also be displayed for winds along your route of travel. Climb and descent biases can be manually modified for different aircraft performance numbers.
Clear Sky+
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ClearSky+ is your all-in-one aviation utility designed for pilots who need fast, reliable insight into current flying conditions. Whether you're preflighting from a remote airfield or teaching ground school in a classroom, ClearSky+ helps you interpret aviation weather with ease — all without needing a constant internet connection. Offline METAR Decoder Paste or type raw METAR strings and instantly get a color-coded readout of current conditions: VFR, MVFR, IFR, or LIFR. No server connection required. Favorite Airports Save frequently-used ICAO codes for quick access to conditions at your home base, destination, or training airports. Built-In Flight Rule Education Learn how to read METARs and understand flight category logic through simple, easy-to-digest educational cards — perfect for students and instructors. Optional Radar & Live Traffic (Online or ADS-B Device) Enable radar overlays and real-time traffic with supported ADS-B devices like Stratux/Sentry — or fetch data via optional online feeds. Designed for iPhone, iPad & Apple Watch With a clean and modern interface, ClearSky+ supports widgets and dark mode, and is fully optimized for aviation use in any cockpit environment.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | WindsAloftPro | Clear Sky+ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (3 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.2 — better | 27.0 |
| Further details — not scored | ||
| Size | 7 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Tremont Air, LLC | Calvin Fraites |
In-app purchases
WindsAloftPro
No in-app purchases
Clear Sky+
No in-app purchases
