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Iris Gallery vs Fossify Gallery: catalog facts
Iris Gallery	Fossify Gallery
Free Free and open source under the Apache-2.0 licence.	Free Free and open source with no ads.
Android	Android
No internet permission at all Live detection of new photos and downloads	No ads Open source and actively maintained
Android only Local viewer with no cloud backup or sync	Android only Editing tools are basic
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License not stated
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 1, 2026

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