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Stingle Photos vs Valv: catalog facts
Stingle Photos	Valv
Freemium 1 GB of storage is free; more space is available on paid plans.	Free Free and open source under the GPL 3.0.
Android, iOS	Android
End-to-end encryption including metadata Background backup and multi-device sync	Encrypts files with ChaCha20 Handles images, GIFs, videos and text files
Free tier limited to 1 GB Backup requires an account	Android only A forgotten password means the files cannot be recovered
Downloadable app, Hosted service	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
Account needed	No account 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.