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Mobile app · Security & privacy

Conceal Authenticator

Secure 2FA authenticator with blockchain backup and encryption.

  • Completely free
  • Android
  • Open source

Overview

Conceal Authenticator is a two-factor authentication mobile app, available on Android.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Secure 2FA authenticator with blockchain backup and encryption.” — F-Droid, 10 November 2026
  • “Generate TOTP codes for all your accounts with military-grade encryption and biometric security.” — F-Droid, 10 November 2026
  • “Biometric security - Fingerprint and face recognition” — F-Droid, 10 November 2026
  • “Offline capable - Works without internet” — F-Droid, 10 November 2026

At a glance

Conceal Authenticator is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (BSD-3-Clause) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • No advertising
  • Commercial use allowed

Sources and checks

  • Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) —
  • Last technical check: 5 November 2026
  • Description from F-Droid — F-Droid (citation courte)

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