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Chroma Doze vs Soothing Noise Player: catalog facts
Chroma Doze	Soothing Noise Player
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under GPL-3.0-only.
Android	Android
Draw any noise spectrum by hand Fast feedback while adjusting	Mix 15 noises at individual volumes Import custom sounds and save profiles
Android only Infrequent updates	Small single-purpose app Limited default sound library
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-only
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.