Face ID
Face ID is Apple's facial recognition system used for biometric authentication on iPhones, iPads, and Macs. It uses a TrueDepth camera system to project and analyze over 30,000 infrared dots to create a detailed 3D map of a user's face, enabling secure device unlocking, app authentication, and payment verification. The system incorporates machine learning to adapt to changes in appearance, such as facial hair or glasses.
Developers should learn Face ID to implement secure, user-friendly authentication in iOS and macOS apps, particularly for financial, healthcare, or privacy-sensitive applications where biometric security enhances user experience. It's essential for apps requiring Apple Pay integration, password managers, or any scenario where Touch ID or passcode alternatives are insufficient, as it provides a higher level of security through advanced liveness detection and anti-spoofing measures.