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Ambio vs Brain.fm: catalog facts
Ambio	Brain.fm
Free Free and open source under the MIT licence.	Paid The apps are free to download but require a Brain.fm account to play music.
Android	Windows, macOS, Android
Mix up to three ambient sounds with separate volume levels Pomodoro presets built in	Menu bar controls on macOS with a session timer Separate modes for focus, relaxation, meditation and sleep
Android only Sound library limited to twelve sounds	Requires a Brain.fm account Music comes from the service, not your own library
Downloadable app	Downloadable app, Hosted service
Open source	Closed source
License: MIT	License not stated
No account needed	Account 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 1, 2026

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