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Windy vs wX: catalog facts
Windy	wX

Best for: Sailors, pilots and outdoor sports planners checking wind and weather	Best for: US weather enthusiasts who want NWS radar and forecast products on Android
Free + paid options Free to use in the browser, with a paid premium subscription for extra features.	Free Free and open source under the GPL-3.0 licence.
Web	Android
Compare several forecast models such as ECMWF and GFS Animated wind, wave and radar layers METAR, TAF and NOTAMs for airports Point forecasts for any spot	Level 2 and Level 3 Nexrad radar Multi-pane radar layouts Covers SPC, WPC, NHC and OPC products
Needs an internet connection Closed source	Covers United States data only Dense interface aimed at detailed weather users
Web application	Downloadable app
Not open source	Open source
License not stated	License: GPL-3.0
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Sources for Windy windy.com Catalog checked September 23, 2026	Official website Full listing and sources Sources for wX gitlab.com/joshua.tee/wx f-droid.org/packages/joshuatee.wx Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.