Compare software

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