If Touch ID is already set up, you can use it in iTunes and the App Store. After you set up Touch ID, it’s automatically available in the iTunes Store, App Store, and Apple Books.

Hide iPhone and iPad apps behind Face ID or Touch ID to keep them away from prying eyes.

The new iPad Air is the first Apple device to have a fingerprint reader under the power button. We'll show you how to set it up.

How to lock apps with Screen Time Screen Time, a feature that’s built into your iPhone, can put limitations on how an app is used. You can use it to lock every app except for the phone app.

Touch ID makes so much sense for banks and money management tools to use, given the added security. Budgeting app Mint (free)—which happens to be one of my most-used apps—now lets you use ...