Face ID can be used to unlock apps on the iPhone. For example, when I open my Day One journaling app, Face ID quickly identifies me and lets me in. This saves me from needing to enter the passcode. For easier logins, let's learn how to enable Face ID for apps on the iPhone.

Why You'll Love This Tip

Save time by using Face ID instead of entering a passcode.
Avoid having to remember a unique passcode each time you log in to a secure app.

How to Require Face ID for Apps on iPhone

System Requirements

This tip was performed on an iPhone 15 Pro running iOS 26.5. Find out how to update to the latest version of iOS.

Wondering how to put Face ID on your apps? Whether Face ID works with an app depends on the app's developers and what they've programmed it to do. You'll most often find Face ID as a login option for financial, banking, or password manager apps. Fortunately, using the steps below, you can easily see which of your installed apps work with Face ID, and enable Face ID for each app if you choose to. Keep in mind that you'll need to enable Face ID in Settings prior to using these steps! For more iPhone shortcuts and tricks, be sure to sign up for our free Tip of the Day newsletter. Now, here's how to use Face ID to open apps:

Open the Settings app, and select Face ID & Passcode.
Enter your iPhone passcode (forgot your iPhone passcode? Read our troubleshooting guide), and select Other Apps.
Green toggles show you which apps have Face ID enabled.
A gray toggle means Face ID is disabled. Tap the toggle to change it to green and enable Face ID for that app.

That's how to turn Face ID on for apps. Now, when you go to open an enabled app, you'll be able to sign in using your Face ID instead of entering a password or passcode each time. You can come back and add an app to Face ID if you download another Face ID available app later. It's also important to point out that you can enable Face ID for hidden photos. If an app doesn't have a Face ID login option, you can choose to set up Face ID to open apps instead. Face ID not working? We have a troubleshooting guide for that! You can also learn how to set up Face ID with a mask for convenient iPhone unlocking. Plus, find out how to lock photos on your iPhone.