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(swiftUI, custom font, add font to Xcode)

Use this list to view built in fonts for Apple’s platforms:

If a font has a gear icon next to it, it’s available out-of-the-box on iOS/MacOS [1]
If a font has a download icon, I need to add it manually to my Xcode project:

See this thread for screenshots of the process.

Note 1:

Finding the string to pass to the first argument of Font.custom(...) requires looking up the built-in postscript font name. From the Apple docs:

“You can find the postscript name of a font by opening it with the Font Book app and selecting the Font Info tab”

Source: https://developer.apple.com/documentation/swiftui/applying-custom-fonts-to-text