Authenticator Pro
Two-factor authentication

Secure every login with Authenticator App Pro

Protect every account with strong two-factor authentication. Generate offline TOTP codes, back up securely, and unlock with biometrics — all from one fast, private app.

Get it onGoogle PlaySee how it works
500,000+ downloads1,483 ratings on Google Play

Free · No account needed · Works offline

Authenticator App Pro showing time-based one-time passcodes
0+
Downloads
0
Ratings
100%
Offline & private
Free
No subscription

Protects your accounts across the services you already use

GoogleMicrosoftAmazonGitHubInstagramDiscordDropbox
Features

Everything you need to stay secure

Strong protection that stays simple — designed to keep your accounts safe without getting in your way.

Bank-grade encryption
Your secret keys are encrypted on-device with AES-256, so only you can ever access your codes.
Quick QR setup
Add any account in seconds — just scan its QR code or paste a setup key to start generating codes.
Biometric lock
Guard the app behind Fingerprint or Face unlock so your 2FA codes stay private even if you lose your phone.
Encrypted backup & restore
Securely back up your accounts and restore them on a new device in minutes — never get locked out again.
Works fully offline
Time-based codes are generated locally on your device. No internet, no account, and no tracking required.
Search & organize
Find any account instantly and keep dozens of logins tidy with search, custom names and one-tap copy.
How it works

Set up in under a minute

Three simple steps to add unbreakable protection to any account.

1

Add your account

Open your service's security settings, choose authenticator app, and scan the QR code with Authenticator App Pro.

2

Get a 6-digit code

The app generates a fresh time-based (TOTP) code every 30 seconds — completely offline and in sync with the service.

3

Sign in securely

Enter the code when logging in. Even if your password leaks, your account stays protected by the second factor.

Authenticator App Pro account list with one-tap copy

The app

Fast, private, and built for everyday use

A clean, distraction-free interface that makes two-factor authentication effortless — no ads, no clutter, no compromises.

  • Tap any code to copy it instantly
  • Privacy mode hides codes until you need them
  • Works with Google, Microsoft, GitHub and thousands more
  • No ads, no tracking, no account required
Get it onGoogle Play
Screenshots

Take a look inside the app

Real screens from Authenticator App Pro on Google Play.

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FAQ

Frequently asked questions

Everything you need to know about protecting your accounts with Authenticator App Pro.

Secure your accounts today

Download Authenticator App Pro for free and add a powerful second layer of protection to every login in minutes.

Get it onGoogle Play