TwinKey vs Auth Sync

Introducing TwinKey — a reliable two-factor authentication app With TwinKey, you can conveniently store and manage your authentication codes, ensuring the security of your accounts. Key Features: - Secure Data Storage: TwinKey securely stores your data in the Keychain, guaranteeing that only you can access it. - Easy Setup: Adding accounts to TwinKey is effortless. Simply scan QR codes using your device's camera, import images with embedded QR codes from your photo albums, or - manually enter account information. - Migration from Google Authenticator: Quickly transfer all your accounts from Google Authenticator without data loss. - Backup and Restore: TwinKey allows you to create full or partial backups of your accounts. Restore only what you need when necessary. - User-Friendly Interface: TwinKey is designed for simplicity and efficiency. There are no folders or unnecessary icons — just the essential codes for your accounts. TwinKey is also available for Mac. Enable iCloud Keychain sync and your accounts will appear on both devices automatically — no extra setup needed. TwinKey makes two-factor authentication easy and straightforward. Protect your accounts if you haven't already done so. Download TwinKey now!

Auth Sync is a 2FA (TOTP) authenticator focused on privacy and simplicity. Generate and use OTP offline, then enable end-to-end encrypted cloud sync only when you need it. Your TOTP vault is encrypted on device—the server has zero knowledge. Highlights TOTP add & scan: QR scan, manual input, 6/8 digits, SHA1/256/512, 30s/60s. Folders & search, tagging, quick copy. E2EE cloud sync on demand; encryption keys never leave your devices. Secure sharing across your own devices (E2EE). Export/Import with encrypted backups; import from common authenticators. Extras: password generator, temporary email, Base64 encode/decode. Local encrypted backups to Files/iCloud. Security True E2EE with zero-knowledge backend. No collection of TOTP contents. Integrity checks to protect your vault. How it works Add accounts (scan QR or enter secret). Use offline codes immediately. Sign in to enable E2EE Sync across devices. Export/Import for long-term backups.