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Chroma Doze vs Blanket: catalog facts
Chroma Doze	Blanket
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL.
Android	Linux
Draw any noise spectrum by hand Fast feedback while adjusting	Built-in set of nature, city and noise sounds Saveable presets and custom sounds
Android only Infrequent updates	Linux only No timer or scheduling described
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-or-later
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 1, 2026

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