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Blanket vs Chroma Doze: catalog facts
Blanket	Chroma Doze
Free Free and open source under the GPL.	Free Free and open source under the GPL-3.0 licence.
Linux	Android
Built-in set of nature, city and noise sounds Saveable presets and custom sounds	Draw any noise spectrum by hand Fast feedback while adjusting
Linux only No timer or scheduling described	Android only Infrequent updates
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0-only
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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