XL Authenticator App: Set Up FFXIV One-Time Password on iPhone (2026)

What "XL Authenticator" Actually Is

If you searched for the "XL Authenticator app," you are almost certainly a Final Fantasy XIV player. "XL" is the nickname for XIVLauncher, a popular third-party launcher, and its XL Authenticator companion app automatically sends your Square Enix one-time password (OTP) to the launcher so you can log in without typing anything. Handy — but it is built around a Windows PC on your local network, and on iPhone it requires sideloading through AltStore or a jailbreak, which most players would rather avoid.

Here is the key fact that makes life easier: Square Enix's one-time password is standard TOTP. That means any authenticator app can generate the exact same six-digit code. On iPhone, Authenticator App: 2FA holds the Square Enix secret and generates your FFXIV login code in one tap — no sideloading, no network setup. Download it free from the App Store to start.

How the Square Enix One-Time Password Works

Final Fantasy XIV protects your account with a one-time password. Historically people used the Square Enix Software Token, but Square Enix also lets you register a standard authenticator app, which is what XIVLauncher's OTP flow uses. Per the XIVLauncher OTP guide, you register through Mog Station's One-Time Password settings by choosing "Other authenticator apps," which produces a QR code and secret key you can scan into any TOTP app.

Set Up FFXIV OTP on Your iPhone

1. Install a TOTP authenticator app on your iPhone.
2. On a computer, sign in to Square Enix's Mog Station and open the One-Time Password settings.
3. Choose to register another / "Other authenticator apps." A QR code and secret key appear.
4. In your authenticator app, add a new account and scan the QR code (or enter the key by hand).
5. Enter the six-digit code your app shows to confirm registration.
6. Save the emergency removal password and any backup details Square Enix provides.

From then on, when FFXIV or XIVLauncher asks for your one-time password, you read the current six-digit code from your iPhone and enter it. That is all most players need.

Keep a Backup — This Is Important for FFXIV

Square Enix account recovery is notoriously slow, so do not rely on a single device. The XIVLauncher documentation itself recommends scanning the same one-time password code into a second authenticator app so you always have a working generator if one phone is lost. Registering the Square Enix secret in a reliable iPhone authenticator is an easy way to keep that backup, whether you use the dedicated XL Authenticator for auto-login on your PC or not.

• Use your iPhone app as the primary generator if you just want to type the code — no PC network setup required.
• Use it as a backup alongside the XL Authenticator's auto-login on your gaming PC.
• Save the emergency removal password Square Enix issues, and store it offline.

Why This Is the Simpler Path on iPhone

The dedicated XL Authenticator shines for one thing: auto-sending the code to XIVLauncher over your local network on Windows. But it is not an App Store app on iPhone, and it depends on your PC and firewall. A standard authenticator does the part that actually logs you in — generating the correct code — anywhere, offline, with your codes kept in a private on-device vault. Authenticator App: 2FA also holds every other login you use, from email to banking, in one place.

Ready to secure your FFXIV account the easy way? Get Authenticator App: 2FA on the App Store, then register the Square Enix OTP with the steps above. For gaming accounts generally, see using an authenticator app for Instagram, Discord, and gaming logins.