Apple very quietly have released their new custom typeface, San Francisco, within a bundle of developer tools called ‘Watchkit’. Contained within a folder sat 23 variations of the new Apple system font.
From the looks of it, it has been inspired by Helvetica and FF Din, and works well on smaller displays. It remains to be seen as to whether it will be rolled out to the rest of Apple’s products.
You can download the fonts here.