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Keepsafe Photo Vault vs Wolf Gallery: catalog facts
Keepsafe Photo Vault	Wolf Gallery
Freemium Free to download, with optional paid features.	Free Free and open source under the GPL-3.0 licence.
Android, iOS	Android
Simple PIN-locked vault for photos, videos and documents Encrypted storage with private backup	Every file stored encrypted in private app storage Works offline
Closed source, so the encryption cannot be independently reviewed Backups depend on Keepsafe's service	Android only Files live inside the app, so other galleries cannot see them
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-only
Not stated if an account is needed	Not stated if an account is needed
Not stated if it 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.