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Secretive vs Yubico Authenticator: catalog facts
Secretive	Yubico Authenticator
Free The software is free under its open-source licence. Hosting, hardware and external…	Free The app is free; it requires a YubiKey, which is bought separately.
macOS	Windows, macOS, Linux, Android, iOS
Keys held in the Secure Enclave cannot be exported by design, and each use can require Touch ID…	Secrets stay on the hardware key rather than the device Same codes available on any machine where the key is plugged in
It needs a Mac with a Secure Enclave, and keys cannot be backed up or moved to another…	Requires a YubiKey Losing the key loses access to the stored codes unless you have a backup
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.