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BurnPony vs Onetime Secret: catalog facts
BurnPony	Onetime Secret
Free Free on the App Store, Google Play and F-Droid; the Android app is open source under…	Freemium Free to create secret links, with paid plans listed on the pricing page.
Android, iOS, Web	Web, Self-hosted
Encryption happens on the device before upload Recipient needs only a browser, no app or account	Links self-destruct after one view Optional passphrase and expiry
Depends on the developer's server to hold and deliver notes Anyone who gets the full link can read the note	Only for text, not files Recipient must open the link before it expires
Downloadable app, Web application	Web application, Self-hosted, Hosted service
Open source	Open source
License: Apache-2.0	License not stated
No account 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.