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Drift vs Noice: catalog facts
Drift	Noice
Free Free and open source, with no ads.	Freemium Free to try, with the site promoting a paid offering.
Android	Android, Web
Independent volume for each sound layer Sleep timer that fades audio out	Mix several sounds with separate volume controls Sleep timer and Chromecast support
Android only Limited to the bundled sound library	Source repository not updated since August 2024 Web version is only a prototype
Downloadable app	Downloadable app, Web application
Open source	Open source
License: MIT	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.