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Tomato vs Ambio: catalog facts
Tomato	Ambio
Free Free and open source under GPL-3.0, with no paid tier.	Free Free and open source under the MIT licence.
Android	Android
Clean, minimalist Material 3 Expressive interface Fully free with no paid tier	Mix up to three ambient sounds with separate volume levels Pomodoro presets built in
Android only Focused on the timer, without task or project management	Android only Sound library limited to twelve sounds
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: MIT
Not stated if an account is needed	No account needed
Works offline	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.