How to set up Face ID for MetaMask

MetaMask supports Face ID on compatible iPhones, allowing secure, quick access to your wallet using Apple’s biometric authentication.

Aug 11, 2025 at 09:28 am

Understanding Face ID and Its Role in MetaMask Security

Face ID is a biometric authentication system developed by Apple that uses facial recognition to verify a user’s identity. When applied to cryptocurrency wallets like MetaMask, it enhances security by ensuring only the authorized user can access the wallet. MetaMask, primarily known as a browser extension and mobile application for managing Ethereum-based assets, supports biometric authentication on compatible iOS devices. Enabling Face ID on the MetaMask mobile app allows users to unlock the wallet quickly without entering a password each time, while maintaining a high level of security. This integration is especially useful for frequent users who want a seamless yet secure experience when interacting with dApps, signing transactions, or checking balances.

Prerequisites for Enabling Face ID in MetaMask

Before setting up Face ID for MetaMask, ensure your device meets the necessary requirements. You must be using an iPhone that supports Face ID — such as iPhone X or later models — and have iOS 12 or higher installed. Additionally, Face ID must already be configured in your iPhone’s settings under "Face ID & Passcode." This means you’ve previously enrolled your face for authentication with the device. The MetaMask mobile app must be installed from the App Store and updated to the latest version, as older versions may not support biometric login features. Make sure your MetaMask wallet is already created or imported, and you are logged in. Internet connectivity is required during setup to verify app permissions.

Enabling Face ID Within the MetaMask Mobile App

To activate Face ID for MetaMask, open the app on your iPhone. Tap the menu icon (three horizontal lines) located in the top-left corner of the screen. From the menu, select Settings. Scroll down to the Security & Privacy section and tap on Biometric Authentication. If your device supports Face ID and it’s enabled at the system level, you’ll see an option labeled Use Face ID. Toggle the switch to turn it on. The app will prompt you to confirm your identity using Face ID. Position your face within the frame as instructed by your iPhone’s native authentication prompt. Once verified, Face ID is now active for MetaMask. From this point forward, whenever you open the app or attempt a sensitive action (depending on your settings), the system will request facial authentication instead of a passcode.

Configuring Automatic Lock and Biometric Prompts

MetaMask allows users to control how often biometric verification is required. Within Settings > Security & Privacy, you can adjust the Auto-Lock Timer. Options typically include immediately, 1 minute, 5 minutes, or 15 minutes. Choosing a shorter interval increases security by requiring Face ID more frequently. For example, if set to “immediately,” the app will lock as soon as it’s closed or sent to the background, demanding Face ID upon reopening. You can also enable Require biometrics for transactions, which ensures that every transaction approval — such as sending tokens or connecting to a dApp — triggers a Face ID scan. This adds an extra layer of protection against unauthorized transactions, even if someone gains temporary access to your unlocked phone.

Troubleshooting Face ID Issues in MetaMask

If Face ID fails to work in MetaMask, several common issues may be at play. First, ensure that Face ID is working system-wide by testing it in other apps like Apple Wallet or Notes. If it fails there, the issue lies with iOS, not MetaMask. Go to iPhone Settings > Face ID & Passcode and verify that "Use Face ID for" includes Other Apps or App Verification — this permission is required for third-party apps like MetaMask. If the toggle is off, enable it. Restart the MetaMask app after making changes. If Face ID still doesn’t prompt, delete and reinstall the MetaMask app, then re-enable biometric authentication. Also, check that iOS and MetaMask are updated — outdated software can cause compatibility issues. In rare cases, resetting Face ID data in iPhone settings and re-enrolling your face may resolve persistent recognition problems.

Best Practices for Securing MetaMask with Face ID

While Face ID offers convenience, it should be part of a broader security strategy. Never share your 12-word recovery phrase with anyone, as biometrics cannot recover your wallet if lost. Enable two-factor authentication on any connected services, such as email or cloud backups, that could be exploited to gain access. Avoid using Face ID in public or poorly lit environments where spoofing attempts might succeed. Consider disabling "Require attention for Face ID" only if necessary, as this setting ensures your eyes are open and focused on the device, reducing the risk of unauthorized access while you’re asleep or unaware. Regularly review connected dApps under Settings > Connected Sites and disconnect any that are no longer in use to minimize exposure.

Frequently Asked Questions

• Can I use Face ID with MetaMask on Android devices?
  
  No, Face ID is exclusive to Apple devices. Android users with compatible hardware can use fingerprint authentication or face unlock through the MetaMask app, but this is not the same as Apple’s secure enclave-based Face ID system.

• What happens if Face ID fails multiple times in MetaMask?
  
  After several failed attempts, the iPhone will require the device passcode before allowing further biometric attempts. This is a system-level security feature, not controlled by MetaMask, to prevent unauthorized access.

• Does enabling Face ID in MetaMask store my facial data in the app?
  
  No, MetaMask does not store or access your facial data. Biometric authentication is handled entirely by iOS through the Secure Enclave, a dedicated chip that keeps biometric information isolated from apps and the operating system.

• Can I disable Face ID for MetaMask without uninstalling the app?
  
  Yes, go to MetaMask Settings > Security & Privacy > Biometric Authentication and toggle off Use Face ID. You can re-enable it at any time without losing wallet data or requiring re-import.