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Mobile app · Security & privacy

Tokn - MFA / 2FA authenticator

Open-source 2FA authenticator. Encrypted on-device. No accounts.

  • Completely free
  • Android
  • Open source

Overview

Tokn - MFA / 2FA authenticator is a two-factor authentication mobile app, available on Android.

Features described in its F-Droid listing: data encryption.

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
  • “Open-source 2FA authenticator.” — F-Droid, 10 November 2026
  • “Encrypted vault.” — F-Droid, 10 November 2026
  • “Works fully offline.” — F-Droid, 10 November 2026
  • “Nothing leaves your network and the handshake is end-to-end encrypted” — F-Droid, 10 November 2026
  • “Material 3 design with light, dark or system theme and optional Material You colors” — F-Droid, 10 November 2026
  • “Any service that supports standard TOTP or HOTP two-factor authentication.” — F-Droid, 10 November 2026

At a glance

Tokn - MFA / 2FA authenticator is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

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: 6 November 2026
  • Description from F-Droid — F-Droid (citation courte)

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