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Secure QR Share vs Hemmelig: catalog facts
Secure QR Share	Hemmelig
Free Free and open source under the MIT license.	Free The hosted service at hemmelig.app can be used free of charge; the code is under the…
Android	Web
AES-256 encryption protected by a shared PIN No cloud service or network transfer involved	Client-side encryption of shared secrets Messages self-destruct after being read
Both people must be physically close to scan the code Small project with few contributors	Source-available O'Saasy licence, not OSI open source Little documentation of features was available in the research
Downloadable app	Web application
Open source	Closed source
License: MIT	License: O'Saasy
Not stated if an account is needed	Not stated if an account is 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.