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Petals vs Grove: catalog facts
Petals	Grove
Free Free and open source under the AGPL-3.0 licence.	Free Free and open source under the GPL-3.0 licence.
Android	Android
No account or sign-up Supports quitting, tolerance breaks or gradual reduction	Covers sobriety, habit breaking and positive routines in one app Procedurally generated fractal trees visualise each streak
Android only Focused solely on cannabis use	Android only No tagged releases in the repository
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0-or-later	License: GPL-3.0
No account needed	Not stated if an account is needed
Not stated if it 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 2, 2026

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