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wX vs Windy: catalog facts
wX	Windy

Best for: US weather enthusiasts who want NWS radar and forecast products on Android	Best for: Sailors, pilots and outdoor sports planners checking wind and weather
Free Free and open source under the GPL-3.0 licence.	Free + paid options Free to use in the browser, with a paid premium subscription for extra features.
Android	Web
Level 2 and Level 3 Nexrad radar Multi-pane radar layouts Covers SPC, WPC, NHC and OPC products	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
Covers United States data only Dense interface aimed at detailed weather users	Needs an internet connection Closed source
Downloadable app	Web application
Open source	Not open source
License: GPL-3.0	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
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	Official website Full listing and sources Sources for Windy windy.com Catalog checked September 23, 2026

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