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Endel vs Brain.fm: catalog facts
Endel	Brain.fm
Paid Offered with a trial; see the site for current subscription prices.	Paid The apps are free to download but require a Brain.fm account to play music.
Windows, Android, iOS	Windows, macOS, Android
Sound adapts to time, weather, heart rate and location Separate modes for focus, relaxation, sleep and activity	Menu bar controls on macOS with a session timer Separate modes for focus, relaxation, meditation and sleep
Effectiveness claims come largely from the company's own research Closed source commercial service	Requires a Brain.fm account Music comes from the service, not your own library
Downloadable app	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account 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 1, 2026

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