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Stingle Photos vs Photok: catalog facts
Stingle Photos	Photok
Freemium 1 GB of storage is free; more space is available on paid plans.	Free Free and open source under Apache-2.0.
Android, iOS	Android
End-to-end encryption including metadata Background backup and multi-device sync	AES-256 encryption of photos and videos Files stay on the device
Free tier limited to 1 GB Backup requires an account	Android only Losing the password can mean losing access to the files
Downloadable app, Hosted service	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0
Account 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.