The on the iPhone 8 will allow a user to unlock the device in "a few hundred milliseconds," or almost instantly, Bloomberg said.
's iPhone 8, expected to launch this fall, isn't the first phone to use this sort of feature. Samsung's Galaxy S8 also features a face scanner that quickly unlocks the phone. It also packs an iris scanner, which Samsung has said is more secure. Samsung's technology, however, can be tricked with a photo.
The iPhone 8 is said to be full of new features ranging from an edge-to-edge OLED display that's more colorful and brighter than previous screens, wireless charging and more. It's expected to in limited quantities.
Apple did not reply to a CNBC request for comment.