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Endel vs Noice: catalog facts
Endel	Noice
Paid Offered with a trial; see the site for current subscription prices.	Freemium Free to try, with the site promoting a paid offering.
Windows, Android, iOS	Android, Web
Sound adapts to time, weather, heart rate and location Separate modes for focus, relaxation, sleep and activity	Mix several sounds with separate volume controls Sleep timer and Chromecast support
Effectiveness claims come largely from the company's own research Closed source commercial service	Source repository not updated since August 2024 Web version is only a prototype
Downloadable app	Downloadable app, Web application
Closed source	Open source
License not stated	License: GPL-3.0
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 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.