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Wolf Gallery vs Tulsi Gallery: catalog facts
Wolf Gallery	Tulsi Gallery
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0 licence, with no ads.
Android	Android
Every file stored encrypted in private app storage Works offline	No data collection or ads Open source and available on F-Droid
Android only Files live inside the app, so other galleries cannot see them	Android only No cloud backup or sync described
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-or-later
Not stated if an account is 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 2, 2026

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