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Valv vs Wolf Gallery: catalog facts
Valv	Wolf Gallery
Free Free and open source under the GPL 3.0.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Encrypts files with ChaCha20 Handles images, GIFs, videos and text files	Every file stored encrypted in private app storage Works offline
Android only A forgotten password means the files cannot be recovered	Android only Files live inside the app, so other galleries cannot see them
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-only
No account needed	Not stated if an account is 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.