San Francisco (sans-serif typeface) for the design and development of applications for Apple's platforms. San Francisco (sans-serif typeface) San Francisco is a neo-grotesque sans-serif typeface made by Apple Inc. It was first released to developers on November 18, 2014. It is the first new typeface designed at Apple in nearly 20 years and has been inspired by Helvetica and FF DIN. The San Francisco typeface has four variants: "SF" (or "SF UI") for macOS, iOS, and tvOS; "SF Compact" for watchOS; "SF Mono" (based on SF Compact) for the Xcode application; and "SF Serif" for Apple Books. The main difference is that the sides
Helvetica used Helvetica as the system typeface of iOS until 2015. Helvetica has been widely used by the U.S. government; for example, federal income tax forms are set in Helvetica, and NASA used the type on the Space Shuttle orbiter. Helvetica is also used in the United States television rating system. The Canadian government also uses Helvetica as its identifying typeface, with three variants being used in its corporate identity program, and encourages its use in all federal agencies and websites. In the European Union, Helvetica is legally required to be used for health warnings on tobacco products such as e.g.