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Wolf Gallery vs ReFra: catalog facts
Wolf Gallery	ReFra
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the Apache 2.0 licence.
Android	Android
Every file stored encrypted in private app storage Works offline	AI-powered categories for photos Panorama viewing and motion photo playback
Android only Files live inside the app, so other galleries cannot see them	Android only Recently renamed, so older guides refer to it as Gallery
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: Apache-2.0
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.