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Secure QR Share vs PrivateBin: catalog facts
Secure QR Share	PrivateBin
Free Free and open source under the MIT license.	Free Free and open source; you run it on your own server.
Android	Web, Self-hosted
AES-256 encryption protected by a shared PIN No cloud service or network transfer involved	Pastes are encrypted in the browser with AES-256-GCM Server operator cannot read stored pastes
Both people must be physically close to scan the code Small project with few contributors	Users must trust the administrator not to serve malicious code Requires HTTPS, and ideally HSTS, to be safe
Downloadable app	Self-hosted
Open source	Open source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
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.