VaultSpec Authenticator

VaultSpec Authenticator is a secure 2FA authenticator app for generating OTP codes — fully offline and private.

Your two-factor authentication codes should stay on your device — not on external servers.

VaultSpec is a privacy-first authenticator app that lets you generate OTP (one-time passwords) for 2FA securely, without cloud syncing or tracking.

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WHY VAULTSPEC AUTHENTICATOR?

Most authenticator apps — including Google Authenticator and Microsoft Authenticator — offer cloud sync or analytics.

VaultSpec Authenticator is different:

• 100% offline authenticator
• No accounts or sign-in required
• No tracking or analytics
• Your OTP codes stay on your device

A true Google Authenticator alternative focused on privacy.

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FEATURES

• Secure 2FA authenticator for OTP codes
• AES-256-GCM encrypted local vault
• Biometric unlock with Android Keystore
• Works fully offline (no internet needed)
• Fast QR code scanning for easy setup
• Encrypted backup and restore
• Automatic secure backups
• Tap-to-reveal OTP codes
• Clean, minimal UI
• Open source authenticator app

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🔒 SECURITY

VaultSpec Authenticator uses modern security standards:

• Encryption: AES-256-GCM
• Key derivation: scrypt
• Secure storage: Android Keystore
• EncryptedSharedPreferences

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NO TRACKING. NO CLOUD. NO ACCOUNTS.

VaultSpec Authenticator does not collect data, require sign-ups, or connect to external servers.

Your 2FA codes.
Your device.
Your control.