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Iris Gallery vs Tulsi Gallery: catalog facts
Iris Gallery	Tulsi Gallery
Free Free and open source under the Apache-2.0 licence.	Free Free and open source under the GPL-3.0 licence, with no ads.
Android	Android
No internet permission at all Live detection of new photos and downloads	No data collection or ads Open source and available on F-Droid
Android only Local viewer with no cloud backup or sync	Android only No cloud backup or sync described
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0-or-later
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 2, 2026

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