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Conceal Authenticator2FAS
Free

Free and open source.

 Free

Free and open source. Some components are source-available.

Android Android, iOS, Browser extension
  • Supports SHA1, SHA256 and SHA512 TOTP variants
  • Optional encrypted backup restorable from a seed phrase
  • Browser extension approves codes on the phone instead of typing them
  • Encrypted backups to your own iCloud or Google Drive account
  • Blockchain backup depends on the Conceal Network cryptocurrency ecosystem
  • Losing the recovery seed phrase means losing the backup
  • Mobile-first; there is no standalone desktop app
  • Push approval needs the browser extension installed on each machine
Downloadable app Downloadable app, Browser extension
Open source Open source
License: BSD-3-Clause License not stated
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

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