The FusionAuth Angular.js SDK interacts with the API to access identity features. Developers can use npm to install fusionauth-angular-client. API categories include paswordless, identity providers, JSON Web Tokens, user actions, reports, and audit logs.
Apple is focused on privacy for kids and authentication methods acceptable for apps listed in the App Store. The default position for apps in the App Store is that they must use the Sign in with Apple authentication method. Exceptions to this rule exist. Apple has added a host of kids' protections.