| Google Authenticator | Base32 setup key বা otpauth://totp/ URI | Standard TOTP code, সাধারণত SHA-1, 6 digits, 30 seconds | Google account sync, official app storage বা app-specific feature |
| Microsoft Authenticator | Third-party TOTP setup key বা otpauth://totp/ URI | Standard TOTP secret ব্যবহার করা account-এর Authenticator code | Push approval, number matching, Microsoft passwordless sign-in বা cloud prompt |
| 1Password and Bitwarden | Visible TOTP secret, copied setup key বা otpauth URI | Secret, algorithm, digits ও period একই হলে matching TOTP code | Encrypted vault import/export, account storage বা password manager sync |
| 2FAS and FreeOTP | Standard TOTP QR data বা manual setup key | Compatible TOTP profile-এর browser-local code generation | App backup restore, device transfer বা app-specific migration file |
| Authy-style TOTP | Setup value visible হলে Base32 secret বা otpauth URI | Standard TOTP setup secret-এর code | Authy cloud sync, recovery, backup বা proprietary export |
| SMS, email, push, passkey, and hardware-key flows | TOTP setup secret নয় | এই local TOTP generator এটি handle করে না | SMS code, email OTP, push approval, passkey, WebAuthn বা hardware challenge response |