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