| Google Authenticator | Base32 setup key या otpauth://totp/ URI | Standard TOTP codes, आम तौर पर SHA-1, 6 digits, 30 seconds | Google account sync, official app storage या app-specific features |
| Microsoft Authenticator | Third-party TOTP setup key या otpauth://totp/ URI | Standard TOTP secret वाले accounts के Authenticator codes | Push approvals, number matching, Microsoft passwordless sign-in या cloud prompts |
| 1Password and Bitwarden | Visible TOTP secret, copied setup key या otpauth URI | Secret, algorithm, digits और period match होने पर समान TOTP codes | Encrypted vault import/export, account storage या password manager sync |
| 2FAS and FreeOTP | Standard TOTP QR data या manual setup key | Compatible TOTP profiles के लिए browser-local code generation | App backup restore, device transfer या app-specific migration files |
| Authy-style TOTP | Base32 secret या otpauth URI जब setup value visible हो | Standard TOTP setup secrets के codes | Authy cloud sync, recovery, backups या proprietary exports |
| SMS, email, push, passkey, and hardware-key flows | TOTP setup secret नहीं | यह local TOTP generator इसे handle नहीं करता | SMS codes, email OTPs, push approvals, passkeys, WebAuthn या hardware challenge responses |