Yeah but if Face ID is not required anyone can get in to your account even when your phone is locked
With iOS 18 you can set any app to require Face ID when opening it. Just long press the app and select.
https://image.nostr.build/ac214bc490c6a21208e6acec3a02b5117336c4fab5c1d12839e1d0dbd3e7546b.jpg