Log in with Apple Frequently Asked Questions – What you need to know about Apple's single sign-on platform


At the 2019 Apple Worldwide Developers Conference, he introduced a new single sign-on (SSO) solution called Sign In With Apple. Like the Sign In With Facebook and Sign In With Google options, Apple's solution is intended to allow you to sign up for apps and sign in with a single ID instead of creating new ones for every app and service in the world.

But it differs from those options in several important ways. Here's what you need to know about the Sign in with Apple SSO option.

Privacy focused

The main difference between Signing in with Apple and the Facebook, Google, or Twitter sign-in options you're probably used to seeing is that Apple's solution focuses on privacy. No monitoring is done and every effort is made to minimize the amount of information about you that the application or service has access to.

When you sign up using Sign In With Apple, you have the option to change the name you provide and give the developer your real email address (the one associated with your Apple ID) or a fake one.

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When you choose to Register with Apple, this system dialog box lets you choose what information the application will receive, including a fake email if you want.

Your name and email (real or false, your choice) is the only information the developer gets from you, and Apple does not collect any data about your interaction with the application.

Free anonymous email forwarding

If you choose to hide your actual email from the app, Apple will generate a new email address consisting of a string of letters and random numbers and @ privaterelay.appleid.com. That address is the only thing the app or service gets, and Apple will forward any email sent to that address to your actual address.

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After subscribing to Medium with Apple, the only email they have on file is a random forwarding email that I can delete at any time.

If the developer starts spamming you or sells your email to vendors, you can go to Apple ID settings and prevent that address from forwarding the email to you.

Requires two-factor authentication

To take advantage of Apple login, you must have an Apple ID with two-factor authentication enabled. That's the default for people setting up a new iPhone or iPad these days, so for most it shouldn't be a problem.

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You will also need iOS 13 or later installed on your iPhone or iPad, macOS Catalina 10.15 or later on a Mac, or tvOS 13 or later on Apple TV.

Not just for Apple devices

Signing in with Apple isn't just for use on Apple devices. You can use it on the web or even on Android devices. When you choose to Sign In with Apple on those platforms, you will be directed to a secure site hosted by Apple to enter your Apple ID and password. Then you will receive a two-factor authentication request on your iPhone, iPad, or Mac.

You will have the option to skip the two-factor authentication step for up to 30 days when you log in to the same device.

Of course, it is much simpler on an Apple device: it authenticates using Touch ID or Face ID, and voila.

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