• On all Apple platforms, San Francisco (SF) is the system font; in ipads the SF Pro variant is the system font. Using the system font ensures that your writing is legible, clear, and consistent across all Apple devices. The San Francisco font family can be downloaded here.
• You can utilise two type families in your iOS apps, according to Apple.
• San Francisco, California (SF). SF Pro, SF Pro Rounded, SF Mono, SF Compact, and SF Compact Rounded are all members of the San Francisco sans serif type family. In iOS, macOS, and tvOS, SF Pro is the system font; in watchOS, SF Compact is the system font. The system fonts are intelligible and neutral, designed to mirror the visual clarity of the platform UIs.

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