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BurnPony vs Hemmelig: catalog facts
BurnPony	Hemmelig
Free Free on the App Store, Google Play and F-Droid; the Android app is open source under…	Free The hosted service at hemmelig.app can be used free of charge; the code is under the…
Android, iOS, Web	Web
Encryption happens on the device before upload Recipient needs only a browser, no app or account	Client-side encryption of shared secrets Messages self-destruct after being read
Depends on the developer's server to hold and deliver notes Anyone who gets the full link can read the note	Source-available O'Saasy licence, not OSI open source Little documentation of features was available in the research
Downloadable app, Web application	Web application
Open source	Closed source
License: Apache-2.0	License: O'Saasy
No account needed	Not stated if an account is needed
Needs internet	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.