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Wolf Gallery vs Valv: catalog facts
Wolf Gallery	Valv
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL 3.0.
Android	Android
Every file stored encrypted in private app storage Works offline	Encrypts files with ChaCha20 Handles images, GIFs, videos and text files
Android only Files live inside the app, so other galleries cannot see them	Android only A forgotten password means the files cannot be recovered
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-only
Not stated if an account is 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 2, 2026

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