Biometrics Authentication by Simple yet Efficient (SyE) offers an easy way to add biometric security to your Unity projects. Whether you're working on games, apps, or utilities, this plugin supports Face ID, Touch ID, and Android Biometrics across iOS, macOS, Android, and WebGL platforms. It’s customizable and suitable for any project where secure user authentication is required. Simple to implement, it allows developers to enhance their project's security with just a few lines of code.

For more details refer to the documentation here