Authenticator vs Authenticator App

Authenticator *Simple, Secure, Professional Two-Factor Authentication (2FA) Tool* No longer just a "code generator" — Authenticator provides a complete account protection and management system, giving you peace of mind with every login. Why do you need Authenticator? Every day we log into countless websites: email, social media, cloud storage, code repositories, online services… Passwords alone can no longer stop the endless wave of phishing and data breaches. Authenticator adopts the Time-based One-Time Password (TOTP) standard, adding an extra "dynamic lock" to all major platforms. A constantly changing 6-digit verification code – guarding every login you make. Core Features – More Than Just Verification Codes Dynamic Verification Codes – Auto-refresh with precise time sync. One‑tap copy and paste to log in – no manual typing required. Scan to Add – Directly scan the QR code provided by the website to add an account. Also supports reading QR codes from screenshots / photo album or manually entering the secret key. App Lock – Customise which apps to lock (social, payment, work, etc.), automatically protect your app privacy, balancing convenience and security. (Note: can also protect Authenticator itself if desired) Account Management – Centrally manage your platform account credentials. All data is multi‑encrypted and stored locally – no risk of loss or leakage. Privacy & Security – We Care Even More Than You Do Zero‑trust Architecture – All secrets stay on your device; nothing is ever uploaded to any server. Authenticator will never know your accounts or passwords. Offline Ready – Generate verification codes even without an internet connection. Reliable during travel, on a plane, or anywhere offline. Privacy Policy https://my.feishu.cn/docx/WELtd72LNoodwTxpS9yc5iDtnVc?from=from_copylink Terms of Use： https://my.feishu.cn/docx/COXed7wJTo7l6cxYiXwcqjO2npc?from=from_copylink

TwoAuth is a clean, secure and fully offline authenticator that generates verification codes for two-factor (2FA) and multi-factor (MFA) authentication — a drop-in replacement for Google Authenticator and Microsoft Authenticator. WHY TWOAUTH • Fully offline: no sign-up, no servers, ever • Keys stay private: secrets are stored only in the local system Keychain and never uploaded • Zero data collection: no ads, no analytics, no third-party SDKs • Standards-based: a faithful implementation of RFC 4226 (HOTP) and RFC 6238 (TOTP), compatible with every website, enterprise system and service that supports two-factor or multi-factor authentication MOVE IN SECONDS • Scan the "Transfer accounts" QR codes from Google Authenticator to import everything at once • Add accounts by scanning a website QR code, reading a QR code from your photo library, or entering the secret key manually BUILT FOR SPEED • All codes on one screen, refreshed at the same instant • Codes flash red for the final 5 seconds, with the next code previewed and ready to copy • Tap a card to copy; pin favorites to the top • Brand logos for well-known services help you find accounts at a glance, with manual icon override BACKUP & TRANSFER • Bulk export as migration QR codes (Google Authenticator compatible) • Bulk export as a JSON file • Export any single account as a standard otpauth QR code THE DETAILS • Light / dark themes — follow the system or set your own • English, Simplified Chinese and Traditional Chinese • SHA1 / SHA256 / SHA512, 6–8 digit codes, custom periods and counters IMPORTANT Before deleting an account, disable two-factor authentication on the website or switch to another authenticator first, or you may be locked out.