Storage
Local authenticator
Usually stays on one device
VaultOTP
User account with encrypted server storage and optional encrypted local PWA cache
2FA management
Compare local authenticators with web-based management from a regular user's perspective.
Usually stays on one device
User account with encrypted server storage and optional encrypted local PWA cache
Often depends on one QR export or manual entry
Preview imports from common readable exports, QR images, and otpauth text
Basic list and search
Groups, sorting, pinning, trash, restore, and batch actions
Usually no personal API
PAT access to this user's own entries and current codes
Works on the installed device
PWA can keep cached TOTP entries usable offline on the current browser
Depends on app lock and device security
Hide codes by default, manual lock, idle lock, export warnings, and activity logs