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
Helvetica add subtle differences. Substitute Helvetica designs that have survived into or originated during the digital period have included Monotype's Arial, Compugraphic's CG Triumvirate, ParaType's Pragmatica, Bitstream's Swiss 721, URW++'s Nimbus Sans and Scangraphic's Europa Grotesk. Berthold itself responded to Helvetica's popularity with Akzidenz-Grotesk Buch, effectively a Helvetica clone. Besides Helvetica imitations, Helvetica was available in custom derivatives with unusual special-order characters for many years, notably a straight-legged 'R' and round-topped 'A'. CNN uses a custom derivative, "CNN Sans", which has a '1' with a base. URW (later URW++) under the leadership of Peter Karow produced a modification of Helvetica called