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Ambio vs FocusBuddy: catalog facts
Ambio	FocusBuddy
Free Free and open source under the MIT licence.	Free Free and open source under the GPL 3.0 or later.
Android	Android
Mix up to three ambient sounds with separate volume levels Pomodoro presets built in	Pomodoro sessions of 25, 45 or 60 minutes Animal companion makes focusing more playful
Android only Sound library limited to twelve sounds	Android only Small, young project with few contributors
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-or-later
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.