If you set up 2-Step Verification, you can use the Google Authenticator app to receive codes. You can still receive codes without internet connection or mobile service. Learn more about 2-Step Verification.
App requirements
To use Google Authenticator on your iPhone, iPod Touch, or iPad, you need:
- The latest operating system for your device
- To turn on 2-Step Verification
- Optional for QR code: iPhone 3G and up
Download Google Authenticator
Set up Google Authenticator
- On your device, go to your Google Account.
- At the top, in the navigation panel, select Security.
- Under "Signing in to Google," tap 2-Step Verification. You might need to sign in.
- Under "Add more second steps to verify it’s you," find "Authenticator app" and tap Set up.
- Follow the on-screen steps.
Get codes on a new phone
- On your device, go to your Google Account
- At the top, in the navigation panel, select Security.
- Under "Signing in to Google," tap 2-Step Verification. You might need to sign in.
- Under "Available second steps," find "Authenticator app" and tap Change Phone.
- Follow the on-screen steps.
Use Google Authenticator with multiple accounts or devices
Set up 2-Step Verification for multiple accounts
Set up Google Authenticator on multiple devices
Google Authenticator can issue codes for multiple accounts from the same mobile device. Each Google Account needs a different secret key.
To set up extra accounts:
- Turn on 2-Step Verification for each account. Learn more about 2-Step Verification.
- Use the same Google Authenticator app.
To generate verification codes from more than one device:
- On the devices you want to use, verify Google Authenticator is installed.
- In your Google Account, go to the 2-Step Verification section.
- If you already set up Google Authenticator for your account, remove that account from Authenticator.
- Before you remove that account from Authenticator, make sure you have a backup. Learn more about backup codes.
- To set up 2-Step Verification for the Authenticator app, follow the steps on screen. Use the same QR code or secret key on each of your devices. Learn more about 2-Step Verification.
- To make sure it works correctly, confirm the verification codes on each device are the same.