San Francisco (sans-serif typeface) products and for overall branding. It was the original system typeface of watchOS and tvOS and has replaced Helvetica Neue and Lucida Grande as the system typeface of macOS and iOS since OS X El Capitan and iOS 9. Apple uses it on its website and for its product wordmarks, where it replaced Myriad Pro. It is also used on the keyboard of the 2015 MacBook and on the 2016 MacBook Pro, replacing VAG Rounded. It is also used as Apple's corporate typeface. Apple restricts the usage of the typeface by others. It is licensed to registered third-party developers only
Sans-serif create rational, almost neutral typefaces. In 1957 the release of Helvetica, Univers, and Folio, the first typefaces categorized as neo-grotesque, had a strong impact internationally: Helvetica came to be the most used typeface for the following decades. Other, later neo-grotesques include Unica, Imago and Rail Alphabet, and in the digital period Acumin, San Francisco and Roboto. As their name suggests, Geometric sans-serif typefaces are based on geometric shapes, like near-perfect circles and squares. Common features are a nearly-exactly circular capital "O" and a "single-story" lowercase letter "a". The 'M' is often splayed and the capitals of varying width, following the