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WeatherMaster vs Weather Forecast USA: catalog facts
WeatherMaster	Weather Forecast USA

Best for: Android users looking for a weather app with multiple data sources	Best for: Android users looking for US forecasts and weather alerts
Free Free and open source under GPL-3.0.	Free Free and open source under MIT.
Android	Android
Supports multiple weather sources Project cites Open-Meteo and OpenWeatherMap	Includes forecasts and weather alerts Covers all US states and territories listed in the app description Supports GPS location or ZIP code entry
Android only	US locations only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for WeatherMaster github.com/PranshulGG/WeatherMaster Catalog checked October 8, 2026	Official website Full listing and sources Sources for Weather Forecast USA github.com/vbresan/WeatherForecastUSA Catalog checked October 8, 2026

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