Biometric Authentication

Use your face or fingerprint to log in quickly and securely on mobile devices.

What Is Biometric Authentication?

Biometric authentication uses your unique physical characteristics to verify your identity:

Face ID (iPhone X and later)

Touch ID (older iPhones, some iPads)

Fingerprint (Android devices)

Setting Up Biometrics

On iOS

Open the ClapDiet app

Go to Profile > Settings > Privacy & Security

Toggle on Face ID or Touch ID

Authenticate with your biometric to confirm

On Android

Open the ClapDiet app

Go to Profile > Settings > Privacy & Security

Toggle on Fingerprint Login

Scan your fingerprint to confirm

Requirements

Your device must support biometric authentication

You must have biometrics set up in your device settings

You must be logged in to enable biometrics

Using Biometrics

Once enabled:

Open the ClapDiet app

You'll see a biometric prompt

Authenticate with your face or fingerprint

You're logged in!

You can still enter your password if you prefer.

Security Notes

Your biometric data never leaves your device

ClapDiet doesn't store your fingerprint or face scan

We only use your device's secure authentication

If biometric fails 3 times, you'll need your password

Disabling Biometrics

Go to Profile > Settings > Privacy & Security

Toggle off Face ID/Touch ID/Fingerprint

Enter your password to confirm

Troubleshooting

Biometric Not Working

Make sure your device's biometric is set up properly

Clean your fingerprint sensor or adjust lighting for Face ID

Restart the app

Try disabling and re-enabling the feature

Option Not Appearing

Your device may not support biometrics

Make sure you have biometrics set up in device settings

Update the ClapDiet app to the latest version

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Related Articles:

Mobile App Setup

Two-Factor Authentication