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Chroma Doze vs Drift: catalog facts
Chroma Doze	Drift
Free Free and open source under the GPL-3.0 licence.	Free Free and open source, with no ads.
Android	Android
Draw any noise spectrum by hand Fast feedback while adjusting	Independent volume for each sound layer Sleep timer that fades audio out
Android only Infrequent updates	Android only Limited to the bundled sound library
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: MIT
No account 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.