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Smoking Tracker vs ExHale: catalog facts
Smoking Tracker	ExHale
Free Free and open source under the GPL-3.0.	Free Free and open source under GPL-3.0-only.
Android	Android
Weekly, monthly and yearly graphs of smoking habits Cost and time calculator	Tracks time since the last cigarette Estimates cigarettes avoided and money saved
Android only Every cigarette has to be logged by hand	Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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